имя существительное 1) [зоология] усач 2) усик (некоторых рыб) 3) [ветеринария] ящур
биология усик
I. noun Etymology: Middle English, from Anglo-French, from Vulgar Latin *barbellus, diminutive of Latin barbus barbel, from barba beard — more at beard a European freshwater cyprinid fish (Barbus barbus) with four barbels on its upper jaw; also any of various closely related fishes II. noun Etymology: obsolete French, from Middle French, diminutive of barbe barb, beard a slender tactile process on the lips of certain fishes (as catfishes)