n. A garment with large sleeves worn by monks.n. A garment covering the body and worn by either sex.n. The principal outer garment of women: a term partly abandoned in recent times for the indistinctive word dress and the word gown, but still retained, particularly in the British islands, for the outer garment, consisting of a bodice or waist and a skirt, worn by children.n. Same as frock-coat.n. In the British service, the undress regimental coat of the guards, artillery, and royal marines.n. A sort of worsted netting worn by sailors, often in lieu of a shirt. Also called a Guernsey frock. Jamieson.To supply or cover with a frock; hence, to invest with the privileges of those whose distinctive dress is a frock, as of a monk. See frock, n., 1.n. A frog.