oakenEnglishMerriam-Webster Dictionaryion noun (1), often attributivecom·pan·ion | \ kəm-ˈpan-yən \ one that accompanies another : comrade, associate; also : one that keeps company with anotherrascalone that is closely connected with something similar plural companions Definition (Entry 1 of 3) 1 : one that accompanies another : comrade, associate //traveling companionsalso : one that keeps company with another //his longtime companion2 obsolete : rascal<