Webster's Revised Unabridged Dictionary · 1913

Caper

Caper , intransitive verb

[From older capreoll to caper, compare French se cabrer to prance; all ultimately from Latin caper, capra, goat. See Capriole.]

To leap or jump about in a sprightly manner; to cut capers; to skip; to spring; to prance; to dance.
He capers, he dances, he has eyes of youth. — Shakespeare

Caper , noun

A frolicsome leap or spring; a skip; a jump, as in mirth or dancing; a prank.
Collocations (1)
To cut a caper , to frolic; to make a sportive spring; to play a prank. — Shakespeare

Caper , noun

[Dutch kaper.]

A vessel formerly used by the Dutch, privateer. — Wright

Caper , noun

[French câpre, from Latin capparis, Greek {not transcribed}; compare Arabic & Per. al-kabar.]

1.
The pungent grayish green flower bud of the European and Oriental caper (Capparis spinosa), much used for pickles.
2.
(Botany) A plant of the genus Capparis; -- called also caper bush, caper tree.

The Capparis spinosa is a low prickly shrub of the Mediterranean coasts, with trailing branches and brilliant flowers; -- cultivated in the south of Europe for its buds. The Capparis sodada is an almost leafless spiny shrub of central Africa (Soudan), Arabia, and southern India, with edible berries.

Collocations (2)
Bean caper , See Bran caper, in the Vocabulary.
Caper sauce , a kind of sauce or catchup made of capers.