Entry 1 sense Webster, 1913 Syriasm · Syr·i·asm · IPA 01 n. A Syrian idiom; a Syrianism; a Syriacism. 1. A Syrian idiom; a Syrianism; a Syriacism. “The Scripture Greek is observed to be full of Syriasms and Hebraisms.” — Bp. Warburton.