(n): two people considered as a unit
(n): a pair of people who live together
(n): primary social group; parents and children
(n): a small indefinite number
(n): an indefinite quantity that is below average size or magnitude
(n): two items of the same kind
(n): the cardinal number that is the sum of one and one or a numeral representing this number
(n): (physics) something joined by two equal and opposite forces that act along parallel lines
(n): a single undivided natural thing occurring in the composition of something else
(v): bring two objects, ideas, or people together
(v): cause to become joined or linked
(v): link together
(v): cause to be attached
(v): form a pair or pairs
(v): act in concert or unite in a common purpose or belief
(v): engage in sexual intercourse
(v): make contact or come together