relatum
/rɪˈleɪtəm/
noun
- A term or thing that is related to another; one of two or more items that are connected in a relationship.
- In a family tree, each person is a relatum connected to others by blood or marriage.
- Philosophers often discuss whether a relatum can exist without its relation to another object.
- In the sentence 'The cat is on the mat,' 'cat' and 'mat' are relata of the spatial relationship.