Entry 1 sense Webster, 1913 Circumposition · Cir·cum·po·si·tion · IPA /ˌsɜɹkəmpəˈzɪʃən/ 01 n. The act of placing in a circle, or round about, or the state of being so placed. 1. The act of placing in a circle, or round about, or the state of being so placed.