n. [ F. Cf. Plack, and see Placard. ] Any flat, thin piece of metal, clay, ivory, or the like, used for ornament, or for painting pictures upon, as a slab, plate, dish, or the like, hung upon a wall; also, a smaller decoration worn on the person, as a brooch. [ 1913 Webster ]
‖n. [ F., dim. of plaque plate, plaque. See Plaque. ] A small plaque, esp., in modern medal engraving, a small and delicate bas-relief, whether cast or struck from a die, or of form other than circular. [ Webster 1913 Suppl. ]