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 chattering or flighty, light-headed person.
a fool or simpleton; ninny.
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
keratinization ker·a·tin·i·za·tion (kěr'ə-tn-ĭ-zā'shən) n. The conversion of squamous epithelial cells into a horny material, such as nails. Also called cornification.