|n.||1.||The inferior, or after, part of the day; the afternoon.|
In undermeals and in mornings.
|2.||Hence, something occurring or done in the afternoon; esp., an afternoon meal; supper; also, an afternoon nap; a siesta.|
Another great supper, or undermeal, was made ready for them, coming home from ditching and plowing.
I think I am furnished with Cattern [Catharine] pears for one undermeal.
In a narrower limit than the forty years' undermeal of the seven sleepers.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.