Treaty

1. n. A treatise; a tract.
2. n. The act of treating for the adjustment of differences, as for forming an agreement; negotiation.
3. n. An agreement so made; specifically, an agreement, league, or contract between two or more nations or sovereigns, formally signed by commissioners properly authorized, and solemnly ratified by the several sovereigns, or the supreme power of each state; an agreement between two or more independent states; as, a treaty of peace; a treaty of alliance.
4. n. A proposal tending to an agreement.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.