'Cliff swallow' definitions:
Definition of 'cliff swallow'
(from WordNet)
noun
North American swallow that lives in colonies and builds bottle-shaped mud nests on cliffs and walls [syn: cliff swallow, Hirundo pyrrhonota]
Definition of 'Cliff swallow'
From: GCIDE
- Cliff \Cliff\ (kl[i^]f), n. [AS. clif, cloef; akin to OS. klif, D. klif, klip, Icel. klif, Dan. & G. klippe, Sw. klippa; perh. orig. a climbing place. See Climb.] A high, steep rock; a precipice. [1913 Webster]
- Cliff swallow (Zool.), a North American swallow (Petrochelidon lunifrons), which builds its nest against cliffs; the eaves swallow. [1913 Webster]