Noah Webster's New International Dictionary of the English Language
1. (n.) The lowest part of anything; the foot; as, the bottom of a tree or well; the bottom of a hill, a lane, or a page.
2. (n.) The part of anything which is beneath the contents and supports them, as the part of a chair on which a person sits, the circular base or lower head of a cask or tub, or the plank floor of a ship's hold; the under surface.
3. (n.) That upon which anything rests or is founded, in a literal or a figurative sense; foundation; groundwork.
4. (n.) The bed of a body of water, as of a river, lake, sea.
5. (n.) The fundament; the buttocks.
6. (n.) An abyss.
7. (n.) Low land formed by alluvial deposits along a river; low-lying ground; a dale; a valley.
8. (n.) The part of a ship which is ordinarily under water; hence, the vessel itself; a ship.
9. (n.) Power of endurance; as, a horse of a good bottom.
10. (n.) Dregs or grounds; lees; sediment.
11. (a.) of or pertaining to the bottom; fundamental; lowest; under; as, bottom rock; the bottom board of a wagon box; bottom prices.
12. (v. t.) To found or build upon; to fix upon as a support; -- followed by on or upon.
13. (v. t.) To furnish with a bottom; as, to bottom a chair.
14. (v. t.) To reach or get to the bottom of.
15. (v. i.) To rest, as upon an ultimate support; to be based or grounded; -- usually with on or upon.
16. (v. i.) To reach or impinge against the bottom, so as to impede free action, as when the point of a cog strikes the bottom of a space between two other cogs, or a piston the end of a cylinder.
17. (n.) A ball or skein of thread; a cocoon.
18. (v. t.) To wind round something, as in making a ball of thread.