Treat v. t. [imp. & p. p. Treated; p. pr. & vb. n. Treating.]
1. To handle; to manage; to use; to bear one's self toward; as, to treat prisoners cruelly; to treat children kindly.
2. To discourse on; to handle in a particular manner, in writing or speaking; as, to treat a subject diffusely.
3. To entertain with food or drink, especially the latter, as a compliment, or as an expression of friendship or regard; as, to treat the whole company.
4. To negotiate; to settle; to make terms for. [Obs.]
To treat the peace, a hundred senators
Shall be commissioned. --Dryden.
5. Med. To care for medicinally or surgically; to manage in the use of remedies or appliances; as, to treat a disease, a wound, or a patient.
6. To subject to some action; to apply something to; as, to treat a substance with sulphuric acid.
7. To entreat; to beseech. [Obs.]