
1) Bone 2) Situated beneath the clavicle
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https://www.crosswordclues.com/clue/subclavian

In general, Subclavian means beneath the clavicle, and it can refer to: ...
Found on
http://en.wikipedia.org/wiki/Subclavian

• (a.) Situated under the clavicle, or collar bone; as, the subclavian arteries.
Found on
http://thinkexist.com/dictionary/meaning/subclavian/

(sәb-kla´ve-әn) below the clavicle.
Found on
http://www.encyclo.co.uk/local/21001
Sub·cla'vi·an adjective [ Prefix
sub- + Latin
clavis a key. See
Clavicle .]
(Anat.) Situated under the clavicle, or collar bone; as, the
subclavian arteries.
Found on
http://www.encyclo.co.uk/webster/S/220
(nerve) Type: Term Definitions: 1. the autonomic plexus accompanying the artery of this name, formed by fibers from the stellate ganglion, and giving off secondary plexuses along the branches of the subclavian artery. Synonyms: periarterial plexus of subclavian artery, plexus periarterialis arteriae subclaviae  ...
Found on
http://www.medilexicon.com/medicaldictionary.php?t=70029

Type: Term Pronunciation: sŭb-klā′vē-ăn Definitions: 1. Below the clavicle. 2. Pertaining to the subclavian artery or vein. Synonyms: infraclavicular
Found on
http://www.medilexicon.com/medicaldictionary.php?t=85816

Subclavian: Under the clavicle (the collar bone), as the subclavian artery or the subclavian vein.
Found on
http://www.medterms.com/script/main/art.asp?articlekey=23014

[
adj] - situated beneath the clavicle
Found on
http://www.webdictionary.co.uk/definition.php?query=subclavian
adjective situated beneath the clavicle
Found on
https://www.encyclo.co.uk/local/20974

Latin sub = under or below, and clavis = a key, hence under the clavicle.
Found on
https://www.encyclo.co.uk/local/21450

Beneath the clavicle
Found on
https://www.ioshospital.com/orthopaedics/learnMore/glossaryOfTerms.aspx

a blood vessel that branches from the aorta and takes oxygen-rich (red) blood to the head and arms.
Found on
https://www.stanfordchildrens.org/en/topic/default?id=glossary---cardiovasc
No exact match found.