1963, Margery Allingham, The China Governess Chapter 2, Now that she had rested and had fed from the luncheon tray Mrs. Broome had just removed, she had reverted to her normal gaiety. She looked cool in a grey tailored cotton dress with a terracotta scarf and shoes and her hair a black silk helmet.
(obsolete) A lump of food.
(obsolete) A portion of food taken at any time except at a regular meal; an informal or light repast.
Benjamin DisraeliIn the meantime, while ladies are luncheoning on chicken pie, or coursing in whirling britskas, performing all the singular ceremonies of a London morning in the heart of the season...