[ vas-tuh s ]
/ ˈvæs təs /

noun, plural vas·ti [vas-tahy] /ˈvæs taɪ/. Anatomy.

any of several muscles in the front part of the thigh constituting part of the quadriceps muscle, the action of which assists in extending the leg.

Nearby words

Origin of vastus

< Latin: vast Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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