
1) Extensor 2) Extensor muscle 3) Musculus quadriceps femoris 4) Quad 5) Quadriceps femoris
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https://www.crosswordclues.com/clue/quadriceps

• (n.) The great extensor muscle of the knee, divided above into four parts which unite in a single tendon at the knee.
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http://thinkexist.com/dictionary/meaning/quadriceps/

(kwod´rĭ-seps) having four heads; said of muscles. quadriceps setting exercise an isometric exercise to strengthen muscles needed for ambulation. The patient is instructed to contract the quadriceps muscle while at the same time elevating the heel and pushing the knee toward...
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http://www.encyclo.co.uk/local/21001

Collective name of the rectus femoris, vastus intermedius, vastus lateralis, and vastus medialis muscles, which all insert into the tuberosity of the tibia via a common tendon. They contribute to the extension of the leg upon the thigh.
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http://www.encyclo.co.uk/local/21447

A muscle of the thigh that stabilises, supports and straightens the knee.
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http://www.encyclo.co.uk/visitor-contributions.php
Quad'ri·ceps noun [ New Latin , from Latin
qyattuor four +
caput head.]
(Anat.) The great extensor muscle of the knee, divided above into four parts which unite in a single tendon at the knee.
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http://www.encyclo.co.uk/webster/Q/2

Type: Term Pronunciation: kwah′dri-seps, -sep′sēz Synonyms: four-headed muscle
Found on
http://www.medilexicon.com/medicaldictionary.php?t=74610

Quadriceps: Although the term 'quadriceps' technically may refer to any four-headed muscle, it usually refers to and is synonymous with the quadriceps muscle of the thigh, the large muscle that comes down the femur (the bone of the upper leg), goes over the patella (the kneecap) and anchors into the top of the tibia (the big bone in the lower leg)....
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http://www.medterms.com/script/main/art.asp?articlekey=5163

The quadriceps muscle group consists of four muscles: the rectus femoris, the vastus lateralis, the vastus intermedius, and the vastus medialis. They form a large fleshy mass that covers the front and sides of the femur and work as the primary extensor of the knee.
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http://www.probertencyclopaedia.com/browse/EQ.HTM

[
n] - a muscle of the thigh that extends the leg
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http://www.webdictionary.co.uk/definition.php?query=quadriceps

quadri, four; caput, head.
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https://aclandanatomy.com/Glossary.aspx

muscles of the upper thigh
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https://sciencetrek.org/sciencetrek/topics/muscles/glossary.cfm
quadriceps femoris noun a muscle of the thigh that extends the leg
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https://www.encyclo.co.uk/local/20974

Latin quadri = four, and caput = head; hence, a 4-headed muscle.
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https://www.encyclo.co.uk/local/21450

the large muscle in front of the thigh, the strength of which helps determine a cyclist's ability to pedal with power.
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https://www.encyclo.co.uk/local/22514

(Say: quad - ri - ceps) - The large muscles on the front of the thighs.
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https://www.encyclo.co.uk/local/22515

a large muscle in front of the thigh, the action of which extends the leg or bends the hip joint.
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https://www.infoplease.com/dictionary/quadriceps
No exact match found.