(historical) The able-bodied men over 15 in a given county who can be summoned by the sheriff to help keep the peace, or arrest a felon; also a group of men so gathered.

(US, slang, vulgar) A vice squad.

plural of pussy posse

(grammar) A pronoun which expresses possession.

(modifying a clause or predicate) Perhaps; indicates that the proposition may be true (is not certainly false) regardless of any facts or circumstances known to, stated by or implied by the speaker.

(usually not comparable) Able but not certain to happen; neither inevitable nor impossible. / (comparable) Capable of being done or achieved; feasible. / Being considered, e.g. for a position.

A possible one. / (colloquial, rare) A possible choice, notably someone being considered for a position. / (rare) A particular event that may happen.

An adjective expressing possession.

Of or pertaining to ownership or possession. / (grammar) Indicating ownership, possession, origin, etc. / Unwilling to yield possession of.

(grammar) The possessive case. / (grammar) A word used to indicate the possessive case.