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]

Source: The Collaborative International Dictionary of English v.0.48
 

Cliff \Cliff\, n. (Mus.) See Clef. [Obs.]

[1913 Webster]

Source: The Collaborative International Dictionary of English v.0.48
 

cliff

Source: WordNet (r) 2.0
 

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.

Cliff swallow (Zo["o]l.), a North American swallow (Petrochelidon lunifrons), which builds its nest against cliffs; the eaves swallow.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Cliff \Cliff\, n. (Mus.) See Clef. [Obs.]

Source: Webster's Revised Unabridged Dictionary (1913)