Entry 2 senses · 2 variants Webster, 1913 Lunch /(lŭnch)/ · IPA /lʌnt͡ʃ/ n. v. i. 01 n. A luncheon; specifically, a light repast between breakfast and dinner, most commonly about noontime. 1. A luncheon; specifically, a light repast between breakfast and dinner, most commonly about noontime. 02 v. i. To take luncheon. imp. & p. p. Lunched; p. pr. & vb. n. Lunching 1. To take luncheon.