A single four-leaf clover.
a leaf of clover with four leaflets on one leafstalk, popularly believed to bring good luck to the finder
A clover leaf having four leaflets instead of the normal three, considered to be an omen of good luck.
(plural four-leaf clovers)
- An uncommon variation of the clover, having four leaves instead of the usual three.
- (idiomatic) A bringer of good luck