noun, feminine/lɑ̃ɡ/plural: langues
langue is feminine in French.
tongue; language (system of communication using written or spoken words)
“la langue dans la bouche” — the tongue in the mouth
Inherited from Middle French langue, from Old French langue, from Latin lingua (“tongue, speech, language”). See cognates in regional languages in France: Champenois laingue, Norman laungue, Gallo lenghe, Picard lingue, Bourguignon laingue, Franco-Provençal lengoua, Occitan lenga, Corsican lingua.