Entry 1 sense Webster, 1913 Conner /kän'-ẽr/ · Con·ner · IPA /kˈɑnər/ 01 n. A marine European fish (Crenilabrus melops); also, the related American cunner. See Cunner. 1. A marine European fish (Crenilabrus melops); also, the related American cunner. See Cunner.(Zool.) See: Cunner