whitlow Syllabification: (whit·low)Pronunciation: /ˈ(h)witˌlō/Definition of whitlow noun an abscess in the soft tissue near a fingernail or toenail. Origin: late Middle English (also as whitflaw, -flow), apparently from white + flaw1 in the sense 'crack', but perhaps related to Dutch fijt 'whitlow'whitlow in other Oxford dictionaries Definition of whitlow in the British & World English dictionary