Entry 1 sense Webster, 1913 Corradiate /(k?r-r?"d?-?t)/ · Cor·ra·di·ate · IPA /koʊ.ɹeɪ.di.eɪt/ 01 v. t. To converge to one point or focus, as light or rays. 1. To converge to one point or focus, as light or rays.