Cliff (kl&ibreve_;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.
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Cliff swallow (Zoöl.), a North American swallow (Petrochelidon lunifrons), which builds its nest against cliffs; the eaves swallow.
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