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.-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.-that upon which anything rests or is founded, in a literal or a figurative sense; foundation; groundwork.-the bed of a body of water, as of a river, lake, sea.-the fundament; the buttocks.-an abyss.-low land formed by alluvial deposits along a river; low-lying ground; a dale; a valley.-the part of a ship which is ordinarily under water; hence, the vessel itself; a ship.-power of endurance; as, a horse of a good bottom.-dregs or grounds; lees; sediment.-of or pertaining to the bottom; fundamental; lowest; under; as, bottom rock; the bottom board of a wagon box; bottom prices.-to found or build upon; to fix upon as a support; -- followed by on or upon.-to furnish with a bottom; as, to bottom a chair.-to reach or get to the bottom of.-to rest, as upon an ultimate support; to be based or grounded; -- usually with on or upon.-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.-a ball or skein of thread; a cocoon.-to wind round something, as in making a ball of thread.