Entry 2 senses · 2 variants Webster, 1913 cedar /(sē"dẽr)/ · ce·dar · IPA /ˈsi.dɚ/ n. a. 01 n. The name of several evergreen trees. The wood is remarkable for its durability and fragrant odor. 1. The name of several evergreen trees. The wood is remarkable for its durability and fragrant odor.(Bot.) 02 a. Of or pertaining to cedar. 1. Of or pertaining to cedar.