noun
: a very small tern of temperate No. America and Middle America that is usually considered to constitute a race ( Sterna albifrons antillarum ) of the little tern
noun
: a very small tern of temperate No. America and Middle America that is usually considered to constitute a race ( Sterna albifrons antillarum ) of the little tern
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012