LosengerLos"en*ger\, n. [OF. losengier, losengeor, fr. losengier to deceive, flatter, losenge, flattery, Pr. lauzenga, fr. L. laus praise. Cf. Lozenge.] A flatterer; a deceiver; a cozener. [Obs.] --Chaucer. To a fair pair of gallows, there to end their lives with shame, as a number of such other losengers had done. --Holinshed.