a. Her. Also jowlopped, ? jellop(p)ed. [f. JOLLOP sb. + -ED2: cf. DEWLAPPED.] Of a cock, etc., borne as a charge: Having the wattles of a specified tincture different from that of the body and head; = WATTLED.
1610. Guillim, Heraldry, III. xx. 164. He beareth Gules three Cockes Argent, Armed Crested and Iellopped Or, by the name of Cocke. Ibid., xxi. 164. Three Capons Sable, Armed, Crested, and low-Lopped Or. Ibid., xxvi. 182. Hee beareth, Sable, a Cockatrice displaied, Argent, crested, membred, and iollopped, Gules, by the name of Buggine.
1622. Peacham, Compl. Gent., xvi. (1634), 178. Three Cockes Gules, Armed, Crested, and jellopped, Sable.
1766. Porny, Heraldry, Gloss., Jollopped or Jowlopped, term used to signify the gills of a Cock, when born of a different Tincture from his Head.
1864. Boutell, Heraldry Hist. & Pop., x. 64. A Game-cock is jowlopped of his Wattles or simply wattled.
1866. H. Clark, Introd. Her. (ed. 18), Jellop, Jelloped, terms occasionally used to describe the comb of a cock, etc. when borne of a tincture different from that of the head.
1890. Cent. Dict., Jewlapped.