1. North American swallow that lives in colonies and builds bottle-shaped mud nests on cliffs and walls; [syn: cliff swallow, Hirundo pyrrhonota]
WordNet (r) 3.0 (2006):
Hirundo pyrrhonota
n 1: North American swallow that lives in colonies and builds
bottle-shaped mud nests on cliffs and walls [syn: cliff
swallow, Hirundo pyrrhonota]