Definitions
1.verbTo furnish (something) with a bottom."to bottom a chair"
2.verbTo wind (like a ball of thread etc.).
3.verbTo establish or found (something) on or upon.
4.verb(chiefly in passive) To lie on the bottom of; to underlie, to lie beneath.
5.verbTo be based or grounded.
6.verbTo reach or strike against the bottom of something, so as to impede free action.
7.verbTo reach the bottom of something.
8.verbTo fall to the lowest point.
9.verbTo be the more passive or receiving partner in a sexual act or relationship; to be submissive in a BDSM relationship; to be anally penetrated in gay sex."I've never bottomed in my life."