noun, (used with a singular verb) 1. semiotics.
noun, Classical Mythology. 1. a daughter of Cadmus and mother, by Zeus, of Dionysus. noun 1. (Greek myth) mother of Dionysus by Zeus
semelincident sem·el·in·ci·dent (sěm’əl-ĭn’sĭ-dənt, -děnt’) adj. Occurring once only. Used of an infectious disease, one attack of which confers permanent immunity
adjective 1. Also hapaxanthic, monocarpic. (of a plant) producing flowers and fruit only once before dying 2. (of an animal) producing offspring only once during its lifetime