grocer n 1: a retail merchant who sells foodstuffs (and some household supplies)
Grocer \Gro"cer\, n. [Formerly written grosser, orig., one who sells by the gross, or deals by wholesale, fr. F. grossier, marchand grossier, fr. gros large, great. See {Gross}.] A trader who deals in foods such as meats, dairy products, produce, tea, sugar, spices, coffee, fruits, and various other commodities. [1913 Webster] {Grocer's itch} (Med.), a disease of the skin, caused by handling sugar and treacle. [1913 Webster]
31 Moby Thesaurus words for "grocer": baker, bookdealer, bookseller, butcher, chandler, clothing merchant, confectioner, draper, drysalter, fishmonger, fishwife, florist, footwear merchant, fruiterer, furnisher, furrier, greengrocer, groceryman, haberdasher, hardwareman, ironmonger, jeweler, liquor merchant, newsdealer, perfumer, poulterer, saddler, stationer, tobacconist, vintner, wine merchant