quadriceps

noun
🔊/ˈkwɒdrɪseps/
🔊/ˈkwɑːdrɪseps/
(plural quadriceps)
(also informal quads)
(anatomy解剖学)
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  1. the large muscle at the front of the thigh四头肌Topics Bodyc2
    Word Originmid 16th cent.: from Latin, literally ‘four-headed’.