( a. )
Having the front edge of the aperture of the shell prolonged in the shape of a channel for the protection of the siphon; -- said of certain gastropods.
( a. )
Having the front edge of the aperture of the shell prolonged in the shape of a channel for the protection of the siphon; -- said of certain gastropods.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012