*undermeal*

n. [ AS. under under + m&unr_;l part or portion; cf. AS. underm&unr_;l midday. See Under, Meal a part, and cf. Undern. ] 1. The inferior, or after, part of the day; the afternoon. [ Obs. or Prov. Eng. ] [ 1913 Webster ]

In undermeals and in mornings. Chaucer. [ 1913 Webster ]

2. Hence, something occurring or done in the afternoon; esp., an afternoon meal; supper; also, an afternoon nap; a siesta. [ Obs. or Prov. Eng. ] [ 1913 Webster ]

Another great supper, or undermeal, was made ready for them, coming home from ditching and plowing. Withals (1608). [ 1913 Webster ]

I think I am furnished with Cattern [ Catharine ] pears for one undermeal. B. Jonson. [ 1913 Webster ]

In a narrower limit than the forty years' undermeal of the seven sleepers. Nash. [ 1913 Webster ]