The term 'mated' can be defined in several ways. The first is to be MARRIED, which is a legal union between two people. The second is to be MATCHED, which is to be PAIRED with someone or something that is similar. The third is to be JOINED, which is to be connected or linked together. The fourth is to be bred, which is to produce offspring through reproduction. The fifth is to be PAIRED, which is to be placed together in a set or group. All of these definitions of the term 'mated' refer to the idea of being connected or associated with another person or thing.