noun
: a transient larval organ situated near the mouth in certain ganoids, African teleosts, and dipnoans and serving for attachment to the sea bottom — called also cement organ
noun
: a transient larval organ situated near the mouth in certain ganoids, African teleosts, and dipnoans and serving for attachment to the sea bottom — called also cement organ
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012