Shawm \Shawm\, n. [OE. shalmie, OF. chalemie; cf. F. chalumeau shawm, chaume haulm, stalk; all fr. L. calamus a reed, reed pipe. See {Haulm}, and cf. {Calumet}.] (Mus.) A wind instrument of music, formerly in use, supposed to have resembled either the clarinet or the hautboy in form. [Written also {shalm}, {shaum}.] --Otway. Even from the shrillest shaum unto the cornamute. --Drayton.