treat

American Heritage® Dictionary of the English Language, Fourth Edition

1. v. To act or behave in a specified manner toward.
2. v. To regard and handle in a certain way. Often used with as: treated the matter as a joke.
3. v. To deal with in writing or speech; discuss: a book that treats all aspects of health care.
4. v. To deal with or represent artistically in a specified manner or style: treats the subject poetically.
5. v. To provide with food, entertainment, or gifts at one's own expense: treated her sister to the theater.
6. v. To give (someone or oneself) something pleasurable: treated herself to a day in the country.
7. v. To subject to a process, action, or change, especially to a chemical or physical process or application.
8. v. To give medical aid to (someone): treated many patients in the emergency room.
9. v. To give medical aid to counteract (a disease or condition): treated malaria with quinine.
10. v. To deal with a subject or topic in writing or speech. Often used with of: The essay treats of courtly love.
11. v. To pay for another's entertainment, food, or drink.
12. v. To engage in negotiations, as to reach a settlement or agree on terms: "Both sides nonetheless are quite willing to treat with [the king]” ( Gregory J. Wallance).
13. n. Something, such as one's food or entertainment, that is paid for by someone else.
14. n. A source of a special delight or pleasure: His trip abroad was a real treat.

Century Dictionary and Cyclopedia

1. In electricity, in the making of glow-lamps, to coat (the filament) with a deposited layer of carbon. This is done by bringing the filament to intense incandescence in an atmosphere of hydrocarbon vapor. The process is termed flashing and the product a treated filament. The layer of semimetallic carbon thus deposited on the surface of the filament reduces the resistance of the latter, increases its life and improves its efficiency as a source of luminous radiation.
2. n. A plaster or a salve made of wax, lard, etc., spread on cloth; a cerate.
3. To behave to or toward; conduct one's self in a certain manner with respect to; use.
4. To discuss; discourse of; consider.
5. To address; discourse to.
6. To negotiate; settle.
7. To handle, manipulate, or develop in any manner, especially in writing or speaking, or by any of the processes of art.
8. To look upon; consider; regard.
9. To manage in the application of remedies: as, to treat a fever or a patient.
10. To sudject to the action of some chemical agent or reagent.
11. To entertain; give a pleasure or treat to; especially, to entertain without expense to the recipient; give food or drink to, as a compliment or an expression of friendliness or regard.
12. To entreat; beseech; solicit.
13. To discourse; handle in writing or speaking; make discussion: formerly used absolutely, now followed usually by of, rarely by upon.
14. To negotiate, especially for peace; discuss terms of accommodation: used absolutely or with a limiting phrase.
15. To give an entertainment which costs the recipient nothing; especially, to bear the expense of food. drink, or any pleasure for another as a compliment or expression of good will. Compare to stand treat, under treat, n.
16. n. Parley; conference; treaty; discourse; discussion.
17. n. An entertainment given as a compliment or expression of regard.
18. n. Something given as an entertainment; something paid for in compliment to another.
19. n. One's turn to treat (see treat, v. i., 3); especially, one of several rounds of drinks: as, it is my treat now.
20. n. Anything which affords much pleasure; that which is peculiarly enjoyable; unusual gratification.
21. n. An entreaty.

Wiktionary

1. n. An entertainment, outing, or other indulgence provided by someone for the enjoyment of others.
2. n. An unexpected gift, event etc., which provides great pleasure.
3. n. obsolete A parley or discussion of terms; a negotiation.
4. n. obsolete An entreaty.

GNU Webster's 1913

1. v. To handle; to manage; to use; to bear one's self toward
2. v. To discourse on; to handle in a particular manner, in writing or speaking.
3. v. To entertain with food or drink, especially the latter, as a compliment, or as an expression of friendship or regard.
4. v. obsolete To negotiate; to settle; to make terms for.
5. v. (Med.) To care for medicinally or surgically; to manage in the use of remedies or appliances.
6. v. To subject to some action; to apply something to.
7. v. obsolete To entreat; to beseech.
8. v. To discourse; to handle a subject in writing or speaking; to make discussion; -- usually with of.
9. v. To negotiate; to come to terms of accommodation; -- often followed by with.
10. v. To give a gratuitous entertainment, esp. of food or drink, as a compliment.
11. n. obsolete A parley; a conference.
12. n. An entertainment given as an expression of regard.
13. n. That which affords entertainment; a gratification; a satisfaction.

WordNet 3.0

1. v. provide with choice or abundant food or drink
2. n. something considered choice to eat
3. v. interact in a certain way
4. v. engage in negotiations in order to reach an agreement
5. n. an occurrence that causes special pleasure or delight
6. v. regard or consider in a specific way
7. v. provide treatment for
8. v. provide with a gift or entertainment
9. v. act on verbally or in some form of artistic expression
10. v. subject to a process or treatment, with the aim of readying for some purpose, improving, or remedying a condition