(stress var.), a. Having three edges. Also fig.
1398. Trevisa, Barth. De P. R., XVII. xxxv. (Bodl. MS.). Segge … is acounted amonge kindes of rissches, as Sias seiþ, and cleped it a þre egged ruyssche.
1541. R. Copland, Guydon’s Quest. Chirurg., L iij b. Nedles … euen and smoth, and thre edged at the poynte.
1685. Lond. Gaz., No. 2085/4. Lost…, a large Silver Hilted Sword, with … a long three edged blade.
1793. Martyn, Lang. Bot., Three-cornered or Three-edged, trigonus.
1898. G. W. E. Russell, Collect. & Recoll., xix. 241. This three-edged compliment has seldom been excelled.
1900. B. D. Jackson, Gloss. Bot. Terms, 270/2. Three-edged, with three sides,… and three acute angles, triquetrous.
