|a thin convex lens, usually of plastic, which floats on the layer of tears in front of the cornea to correct defects of vision|
|a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.|
|a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.|
contact lens n.
A thin plastic or glass lens that is fitted over the cornea of the eye to correct various vision defects.