To sit at meat

to sit at the table in taking food.
to be at table for eating.
- Bacon.

See also: Meat, Sit

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in classic literature ?
But if we are allowed to sit at meat with her,--ever a royal condescension,--it is ours at least to pass her the salt, to see that she is never kept waiting a moment for the mustard or the pepper, to cut the bread for her with geometrical precision, and to lean as near her warm shoulder as we dare to pour out for her the sacred wine.