frock

n. [ F. froc a monk's cowl, coat, garment, LL. frocus, froccus, flocus, floccus, fr. L. floccus a flock of wool; hence orig., a flocky cloth or garment; cf. L. flaccus flabby, E. flaccid. ] 1. A loose outer garment; especially, a gown forming a part of European modern costume for women and children; also, a coarse shirtlike garment worn by some workmen over their other clothes; a smock frock; as, a marketman's frock. [ 1913 Webster ]

2. A coarse gown worn by monks or friars, and supposed to take the place of all, or nearly all, other garments. It has a hood which can be drawn over the head at pleasure, and is girded by a cord. [ 1913 Webster ]

Frock coat, a body coat for men, usually double-breasted, the skirts not being in one piece with the body, but sewed on so as to be somewhat full. --
Smock frock. See in the Vocabulary. [ 1913 Webster ]