Definition of: treat

(trēt) v.t.
1. To conduct oneself toward in a specified manner: He treated her shamefully.
2. To look upon or regard in a specified manner: They treat the matter as a joke.
3. To subject to chemical or physical action, as for altering or improving.
4. To give medical or surgical attention to.
5. To deal with in writing or speaking; handle.
6. To deal with or develop (a subject in art) in a specified manner or style.
7. To pay for the entertainment, food, or drink of.
—v.i.
8. To handle a subject in writing or speaking: usually with of.
9. To carry on negotiations; negotiate.
10. To pay for another's entertainment. See synonyms under TRANSACT.
—noun
1. Something that gives unusual pleasure.
2. Entertainment of any kind furnished gratuitously to another.
3. Colloq. One's turn to pay for refreshment or entertainment, especially for drinks. [<OF tretier, traitier <L tractare. See TRACTABLE.]
—treat′a·ble adjective
—treat′er noun
—treat′ing noun