a kind of trumpet, whose tube is narrower, and its tone acuter and shriller than that of the common trumpet. It is said that the clarion, now used among the Moors and Portuguese, who borrowed it from the Moors, served anciently for a treble to several trumpets, which sounded tenor and bass.

in heraldry, a bearing as represented in Plate LXV. fig. 5. he bears ruby, three clarions topaz, being the arms of the earl of Bath, by the name of Granville: Guillim is of opinion, that these three clarions are a kind of old-fashioned trumpets; but others say, that they rather resemble the rudder of a ship; others, a reft for a lance.