What is Partner?

Partner definition and meaning on Dictionary terms:
a person who shares or is associated with another in some action or endeavor; sharer; associate.
Law. a person associated with another or others as a principal or a contributor of capital in a business or a joint venture, usually sharing its risks and profits.special partner.

silent partner.
a spouse; a husband or a wife.

the person with whom one cohabits in a romantic relationship: I’d like you to meet my partner, Sarah.
either of two people who dance together: my favorite partner in the waltz.
a player on the same side or team as another: My tennis partner was an excellent player.
partners, Nautical. a framework of timber round a hole in a ship’s deck, to support a mast, capstan, pump, etc.

verb (used with object)
to associate as a partner or partners with.
to serve as the partner of.