A checkmate.transitive & intransitive verb
To checkmate or achieve a checkmate.noun
One of a matched pair.noun
A spouse or romantic partner.noun
Either of a pair of birds or other animals that associate in order to propagate.noun
Either of a pair of animals brought together for breeding.noun
Either of a pair of plants, fungi, or other organisms that engage in sexual reproduction or conjugation with each other.noun
A person with whom one is in close association; an associate.