Noun

(en noun)

Someone who is associated with another in a common activity or interest.

# A member of a business or law partnership

#* 1668 July 3, , “Thomas Rue contra'' Andrew Hou?toun” in ''The Deci?ions of the Lords of Council & Se??ion I (Edinburgh, 1683), page 548:

He Su?pends on the?e Rea?ons, that Thomas Rue'' had granted a general Di?charge to ''Adam Mu?het'', who was his Conjunct, and ''correus debendi'', after the alleadged Service, which Di?charged ''Mu?het'', and con?equently ''Houstoun his Partner .

# A spouse or domestic partner

# Someone with whom one dances in a two-person dance.

#*

He tried to persuade Cicely to stay away from the ball-room for a fourth dance.But she said she must go back, and when they joined the crowd again her partner was haled off with a frightened look to the royal circle, […].

(nautical) One of the pieces of wood comprising the framework which strengthens the deck of a wooden ship around the holes through which the mast and other fittings pass.

(Jamaica) A group financial arrangement in which each member contributes a set amount of money over a set period.

Noun

(en noun)

Either of two parts that fit together, or complement one another.

''Those brass knobs and their hollow counterparts interlock perfectly

* {{quote-news, year=2012, date=November 7, author=Matt Bai, title=Winning a Second Term, Obama Will Confront Familiar Headwinds, work=New York Times citation

, passage=Mr. Obama never found a generational counterpart among conservatives in Congress like Paul D. Ryan or Eric Cantor; instead, there was a mutual animosity.}}

(legal) A duplicate of a legal document.

One which resembles another

One which has corresponding functions or characteristics.

* {{quote-news

, year=2011 , date=November 12 , author= , title=International friendly: England 1-0 Spain , work=BBC Sport citation , page= , passage=England's attacking impetus was limited to one shot from Lampard that was comfortably collected by keeper Iker Casillas, but for all Spain's domination of the ball his England counterpart Joe Hart was unemployed.}}