( n. pl. )
An extinct order of ostrichlike aquatic birds having teeth, which are set in a groove in the jaw. It includes Hesperornis, and allied genera. See Hesperornis.
( n. pl. )
An extinct order of ostrichlike aquatic birds having teeth, which are set in a groove in the jaw. It includes Hesperornis, and allied genera. See Hesperornis.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012