Definition of: bottom

(bot′əm) noun
1. The lowest part of anything; undersurface; base; support.
2. The ground beneath a body of water.
3. The real meaning; base; root; the foundation or basis of any state of affairs; idea; plan: to knock the bottom out of an argument.
4. Lowland along a river: often in plural.
5. Naut. The part of a vessel below the water line; hence, a vessel.
6. The part of the body on which one sits; the posterior; buttocks.
7. Residuum or dregs.
8. Endurance; stamina; grit.
9. All of a shoe below the upper.
—adjective Lowest; fundamental; basal.
—v.t.
1. To provide with a bottom.
2. To base or found: with on or upon.
3. To fathom; comprehend.
—v.i.
4. To be founded; rest.
5. To touch or rest upon the bottom. [OE botm]