Cosier \Co"sier\ (k?"zh?r), n. [Cf. OF. coussier maker of mattresses; or couseor tailor, fr. OF. & F. coudre, p. p. cousu to sew, fr. L. consuere to sew together; con- + seure to sew. See {Sew} to stitch.] A tailor who botches his work. [Obs.] --Shak. [1913 Webster]