fork |fôrk| noun 1 an implement with two or more prongs used for lifting food to the mouth or holding it when cutting. 2 a device, component, or part with two or more prongs, in particular: 3 the point where something, esp. a road or river, divides into two parts. 4 Chess a simultaneous attack on two or more pieces by one piece. verb 1 (esp. of a road or other route) divide into two parts: 2 dig, lift, or manipulate (something) with a fork: 3 Chess attack (two pieces) simultaneously with one piece. forkful |-ˌfo͝ol | noun .