noun
A pantomime fool, typically dressed in colorful checkered clothes, used as a stock character in commedia dell'arte and other genres.
A greenish-chartreuse color.
(informal) A harlequin duck.
(entomology) Any of various riodinid butterflies of the genera Taxila and Praetaxila.
adjective
Brightly colored, especially in a pattern like that of a harlequin clown's clothes.
Of a greenish-chartreuse color.
verb
(transitive) To remove or conjure away, as if by a harlequin's trick.
(intransitive) To make sport by playing ludicrous tricks.