Webster's Revised Unabridged Dictionary · 1913

Cliff

Cliff (klif) , noun

[Anglo-Saxon clif, cloef; akin to Old Saxon klif, Dutch klif, klip, Icelandic klif, Danish & German klippe, Swedish klippa; perh. orig. a climbing place. See Climb.]

A high, steep rock; a precipice.
Collocations (1)
Cliff swallow (Zoology) , a North American swallow (Petrochelidon lunifrons), which builds its nest against cliffs; the eaves swallow.

Cliff , noun

(Music) See Clef. [Obsolete]