codefineWiktionary 原文构词拆分co-前缀Together: the root word is done co-incidently. · Having commonality, similarity with respect to the root.+define词根/词干词源说明From co- + define.释义(英文)动词 Verb(transitive) To define jointly.(transitive) To define (each other).词族相关词(1)codefinition