BOTTOM (3)

Bot″tom, v. t. [imp. & p. p. Bottomed (�); p. pr. & vb. n. Bottoming.] 1. 1. To found or build upon; to fix upon as a support; — followed by on or upon.
Action is supposed to be bottomed upon principle. Atterbury. Those false and deceiving grounds upon which many bottom their eternal state]. South. 2. 2. To furnish with a bottom; as, to bottom a chair.
3. 3. To reach or get to the bottom of. Smiles.