PLACOID


Meaning of PLACOID in English

adj. & n.

adj. 1 (of a fish-scale) consisting of a hard base embedded in the skin and a spiny backward projection (cf. CTENOID). 2 (of a fish) covered with these scales.

n. a placoid fish, e.g. a shark.

[ Gk plax plakos flat plate ]

Concise Oxford English dictionary.      Краткий оксфордский словарь английского языка.