Retail  —n. Sale of goods in small quantities to the public, and usu. Not for resale. —adj. & adv. By retail; at a retail price. —v. 1 sell (goods) by retail. 2 (often foll. By at, of) (of goods) be sold in this way (esp. For a specified price). 3  recount; relate details of.  retailer n. [french taillier cut: related to *tally]