Entry 1 sense Webster, 1913 Syriac /sĭrʹē-ăk'/ · Syr·i·ac · IPA /sɪraɪək/ 01 a. Of or pertaining to Syria, or its language; as, the Syriac version of the Pentateuch. 1. Of or pertaining to Syria, or its language; as, the Syriac version of the Pentateuch.