1. Having a tail like that of a swallow; hence, like a swallow's tail in form; having narrow and tapering or pointed skirts; as, a swallow- tailed coat. 2. (Carp.) United by dovetailing; dovetailed. Swallow-tailed duck (Zoöl.), the old squaw. -- Swallow-tailed gull (Zoöl.), an Arctic gull (Xema furcata), which has a deeply forked tail. -- Swallow-tailed h...
