inguinalPronunciation: /ˈɪŋgwɪn(ə)l/Definition of inguinal adjective [attributive] Anatomy of the groin:inguinal lymph nodesDerivatives inguinally adverb Origin: late Middle English: from Latin inguinalis, from inguen, inguin- 'groin'inguinal in other Oxford dictionaries Definition of inguinal in the US English dictionary