Mate
From open-dictionary.com - the free dictionary.
Noun
- One member of a matched pair of objects (the mate to this sock).
- One of a pair of breeding animals.
- A ship's officer, subordinate to the captain.
- A technical assistant (gasfitter's mate).
- A friend.
Intransitive verb
- To fit together without space between. (The pieces of the puzzle mate perfectly.)
- To copulate.
Transitive verb
- To arrange in matched pairs.
- To introduce (animals) together for the purpose of breeding.
- To fit (objects) together without space between.