A callat of boundless tongue. Shak. Calle (?), n. [See Caul.] A kind of head covering; a caul. [Obs.] Chaucer. Call"er (?), n. One who calls. ||Cal"ler (?), a. [Scot.] 1. Cool; refreshing; fresh; as, a caller day; the caller air. Jamieson.