CLIVITY
Cliv"i*ty, n.; pl. Clivities. Etym: [L. clivus hill.]

Defn: Inclination; ascent or descent; a gradient. [R.]

CLOACA
Clo"a"ca, n.; pl. Cloacæ. Etym: [L.]

1. A sewer; as, the Cloaca Maxima of Rome.

2. A privy.

3. (Anat.)

Defn: The common chamber into which the intestinal, urinary, and generative canals discharge in birds, reptiles, amphibians, and many fishes.

CLOACAL
Clo*a"cal, a.

Defn: Of or pertaining to a cloaca.

CLOAK Cloak (; 110), n. Etym: [Of. cloque cloak (from the bell-like shape), bell, F. cloche bell; perh. of Celtik origin and the same word as E. clock. See 1st Clock.]