callowa.[OE. calewe, calu, bald, AS. calu; akin to D. kaal, OHG. chalo, G. Kuhl; cf. L. calvus.]()1. Destitute of feathers; naked; unfledged.()An in the leafy summit, spied a nest,
Which, o'er the callow young, a sparrow pressed. (Dryden.)2. Immature; boyish; green; as, a callow youth.()I perceive by this, thou art but a callow maid. (Old Play [1675].)n.[Named from its note.] (Zol.) A kind of duck. See Old squaw.()