Gy̆'ron, n.

noun

n. [O. Fr. gyron, guyron, gueron, giron, Sp. giron, Pg. girão, It. gherone, garone, lap, bosom, gyron, from O. H. Ger. gēro, acc. gērun, M. H. Ger. gēre, N. H. Ger. gehre, Icel. geiri, O. Fries. gara, gusset, gore, spear, dart, from O. H. Ger. gēr, because of the shape of a gore or gusset. Cf. GORE and L. Lat. pilum vestimenti.] (Her.) A sub-ordinary bounded by a line from either angle of an escutcheon, and one from the middle of the adjacent side, or, when there are more than one gyron on the shield, by any two lines drawn from the circumference, and meeting in the fesse point. Barrington.

An outlined shield has a diagonally divided, hatched triangular section in its upper left.