Entry 1 sense Webster, 1913 Cantoris · Can·to·ris · IPA /kænˈtɔːɹɪs/ 01 a. Of or pertaining to a cantor; as, the cantoris side of a choir; a cantoris stall. 1. Of or pertaining to a cantor; as, the cantoris side of a choir; a cantoris stall.