In undermeals and in mornings. --Chaucer.
2. Hence, something occurring or done in the afternoon; esp.,
an afternoon meal; supper; also, an afternoon nap; a
siesta. [Obs. or Prov. Eng.]
Another great supper, or undermeal, was made ready
for them, coming home from ditching and plowing.
--Withals
(1608).
I think I am furnished with Cattern [Catharine]
pears for one undermeal. --B. Jonson.
In a narrower limit than the forty years' undermeal
of the seven sleepers. --Nash.