Entry 1 sense Webster, 1913 Switching · Switch·ing · IPA /ˈswɪt͡ʃɪŋ/ 01 a. & n. a. & n. from Switch, v. 1. a. & n. from Switch, v. See: Switch Phrases & compounds Switching engine — a locomotive for switching cars from one track to another, and making up trains; -- called also switch engine.