Lunch (?), n. [Of uncertain etymol. Cf. Prov. Eng. nunc a lump.] A luncheon; specifically, a light repast between breakfast and dinner.

Lunch , v. i. [imp. & p. p. Lunched (?); p. pr. & vb. n.Lunching.] To take luncheon. Smart.

-- Webster's unabridged 1913