couple

nouns

a pair who associate with one another
"the engaged couple"; "an inseparable twosome"
a pair of people who live together
"a married couple from Chicago"
a small indefinite number
"he's coming for a couple of days"
is a type of (narrower)
an indefinite quantity that is below average size or magnitude
(physics) something joined by two equal and opposite forces that act along parallel lines
domain category
the science of matter and energy and their interactions
"his favorite subject was physics"
is a type of (narrower)
a single undivided natural thing occurring in the composition of something else
"units of nucleic acids"

verbs

bring two objects, ideas, or people together
"This fact is coupled to the other one"; "Matchmaker, can you match my daughter with a nice young man?"; "The student was paired with a partner for collaboration on the project"
is derived from
link together
"can we couple these proposals?"
is derived from
is derived from
antonym
form a pair or pairs
"The two old friends paired off"
engage in sexual intercourse
"Birds mate in the Spring"
is derived from