To establish firmly; to found or justify on or upon something; to set on a firm footing; to set or rest on or upon something which provides support or authority.
(intransitive) To rest, as upon an ultimate support; to be based or grounded.
(intransitive) 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.
(obsolete, transitive) To wind round something, as in making a ball of thread.
(transitive) To furnish with a bottom.
To be the submissive in a BDSM relationship or roleplay.