Gram. designating, of, or in a relational case typically expressing possession, source, or a partitive concept
noun
the genitive case: expressed by inflection in languages such as Latin and either by an analytical construction or by inflection in English (Ex.: the sons of the queen; the queen's sons)
a word or phrase in this case
See genitive in American Heritage Dictionary 4
(jĕnˈĭ-tĭv)
adjective
Of, relating to, or being the grammatical case expressing possession, measurement, or source.
Of or relating to an affix or construction, such as a prepositional phrase, characteristic of the genitive case.