
1) Bone 2) Bone below the sacrum 3) Bone of the thorax 4) Lower part of a column 5) Sacrum neighbor 6) Tail bone 7) Tailbone 8) Vestigial organ
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https://www.crosswordclues.com/clue/coccyx

1) Bone 2) Tailbone
Found on
https://www.crosswordclues.com/clue/coccyx

The coccyx (s {respell|KOK|siks}; plural: coccyges), commonly referred to as the tailbone, is the final segment of the vertebral column in tailless primates. Comprising three to five separate or fused vertebrae (the coccygeal vertebrae) below the sacrum, it is attached to the sacrum by a fibrocartilaginous joint, the sacrococcygeal symphysis, whic...
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http://en.wikipedia.org/wiki/Coccyx
[genus] Coccyx (genus) is a genus of moths belonging to the subfamily Olethreutinae of the family Tortricidae. ...
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http://en.wikipedia.org/wiki/Coccyx_(genus)

• (n.) The end of the vertebral column beyond the sacrum in man and tailless monkeys. It is composed of several vertebrae more or less consolidated.
Found on
http://thinkexist.com/dictionary/meaning/coccyx/

curved, semiflexible lower end of the backbone (vertebral column) in apes and humans, representing a vestigial tail. It is composed of three to five ...
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http://www.britannica.com/eb/a-z/c/103

The small bone at the bottom of the spine. It is made up of 3-5 fused bones. Also called tailbone.
Found on
http://www.cancer.gov/dictionary?expand=C

Coccyx and sacrum. The coccyx is the portion below the red line. Diagram from Gray's Anatomy A small triangular bone at the base of the spinal column. The coccyx consists of four or five small bones that are ossified or fused together. It is the vestige of a tail-bone structure possessed by ou...
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http://www.daviddarling.info/encyclopedia/C/coccyx.html

Small triangular bone positioned at the base of the spine. It is joined to the bottom of the sacrum.
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http://www.encyclo.co.uk/local/20560

<anatomy> The last bone of the spinal column, sometimes referred to as man's vestigial tail. The last portion of the vertebral column just below the sacrum. ... (27 Sep 1997) ...
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http://www.encyclo.co.uk/local/20973

(kok´siks) the small bone below the sacrum, formed by the union of four (sometimes five or three) rudimentary vertebrae, and forming the lower end of the vertebral column.
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http://www.encyclo.co.uk/local/21001

The "tail bone" - a caudal extremity of the vertebral column formed by the fussion of four rudimentary vertebrae.
Found on
http://www.encyclo.co.uk/local/21447

The small tail-like bone at the very bottom of the spine. The coccyx is made up of 3 to 5 rudimentary vertebrae.
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http://www.encyclo.co.uk/local/22246
Coc'cyx noun ;
plural Latin
Coccyges . [ Latin , cuckoo, Greek ..., cuckoo, coccyx. So called from its resemblance to the beak of a cuckoo.]
(Anat.) The end of the vertebral column beyond the sacrum in man and tailless monkeys. It is composed of several vertebræ more or less ...
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http://www.encyclo.co.uk/webster/C/101

A small triangular bone attached to the lower part of the sacrum.
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http://www.gadsbywicks.co.uk/uploaded/3822.pdf

Type: Term Pronunciation: kok′siks, -si-jis, -si-jēs Definitions: 1. The small bone at the end of the vertebral column in humans, formed by the fusion of four rudimentary vertebrae; it articulates above with the sacrum. Synonyms: os coccygis, coccygeal bone, tail bone
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http://www.medilexicon.com/medicaldictionary.php?t=18630

Coccyx: The small tail-like bone at the bottom of the spine very near to the anus. The coccyx is made up of 3-5 rudimentary vertebrae. It is the lowest part of the spinal column.
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http://www.medterms.com/script/main/art.asp?articlekey=2769

The coccyx (or 'tailbone') is composed of three to five rudimentary vertebrae. Often, the first of these coccygeal vertebrae is separate, while the remainder are fused together. The articulation between the coccygeal vertebrae and the sacrum allow some flexibility in the coccyx, which is particularly beneficial in taking the stresses of sitting and...
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http://www.probertencyclopaedia.com/browse/EC.HTM

The coccyx is the very bottom portion of the spine. It represents a vestigial tail (hence the common term "tailbone") and consists of four or more very small bones that are fused together. The coccyx articulates with the sacrum above it through a vestigial disc, and is also connected to the sacrum with ligaments.
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http://www.spine-health.com/glossary/c/coccyx

kokkyx, cuckoo; the bone has a fancied resemblance to a cuckoo's beak.
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https://aclandanatomy.com/Glossary.aspx

four fused bones that form a triangular shape at the base of the spine (also known as the tailbone)
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https://www.encyclo.co.uk/local/20875
tail bone noun the end of the vertebral column in humans and tailless apes
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https://www.encyclo.co.uk/local/20974

Greek kokkyx = cuckoo, whose bill the coccyx resembles.
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https://www.encyclo.co.uk/local/21450

a small triangular bone forming the lower extremity of the spinal column in humans, consisting of four ankylosed rudimentary vertebrae. See diag. under · a corresponding part in certain animals.
Found on
https://www.infoplease.com/dictionary/coccyx

Last, lowest portion of vertebral column (tailbone).
Found on
https://www.ioshospital.com/orthopaedics/learnMore/glossaryOfTerms.aspx
No exact match found.