Entry 2 senses · 2 variants Webster, 1913 Wayside /wās'-īdˌ/ · Way·side · IPA /ˈweɪsaɪd/ n. a. 01 n. The side of the way; the edge or border of a road or path. 1. The side of the way; the edge or border of a road or path. 02 a. Of or pertaining to the wayside; as, wayside flowers. 1. Of or pertaining to the wayside; as, wayside flowers.