OSTRACODERM


Meaning of OSTRACODERM in English

[ ɒ'strakədə:m ]

■ noun an early jawless fossil fish of the Cambrian to Devonian periods, with a heavily armoured body.

Origin

C19: from mod. L. Ostracodermi (former taxonomic name), from Gk ostrakon 'shell' + derma 'skin'.

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.