noun:two items of the same kind taken together; a pair
I need a couple of scissors to cut the paper.
noun:two people who are married or in a romantic relationship
The couple celebrated their tenth anniversary with a trip to Paris.
noun:a small number; a few
I'll be back in a couple of minutes.
verb:to join or connect two things together
The technician coupled the two train cars with a mechanical connector.
verb:to pair or match two items or people for a purpose
The teacher coupled each student with a partner for the lab exercise.
