Entry 1 sense Webster, 1913 Ceryl /sĕr'-əl/ · Ce·ryl · IPA /sˈɛrəl/ 01 n. A radical, C27H55 supposed to exist in several compounds obtained from Chinese wax, beeswax, etc. 1. A radical, C27H55 supposed to exist in several compounds obtained from Chinese wax, beeswax, etc.(Chem.)