- treat ► VERB 1) behave towards or deal with in a certain way. 2) give medical care or attention to. 3) apply a process or a substance to. 4) present or discuss (a subject). 5) (treat to) provide (someone) with (food, drink, or entertainment) at one's expense. 6) (treat oneself) do or have something very pleasurable. 7) (treat with) negotiate terms with.► NOUN 1) a surprise gift, event, etc. that gives great pleasure. 2) (one's treat) an act of treating someone to something.● a treat — Cf. ↑a treatDERIVATIVES treatable adjective treater noun.ORIGIN Old French traitier, from Latin trahere 'draw, pull' .
English terms dictionary. 2015.