term:

Noscitur A Sociis

noscitur a sociis n

[Latin, it is known by its associates]
: a doctrine or rule of construction: the meaning of an unclear or ambiguous word (as in a statute or contract) should be determined by considering the words with which it is associated in the context

Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.