nominative, nominative case, subject case -- (the category of nouns serving as the grammatical subject of a verb)
Overview of adj nominative
The adj nominative has 3 senses
nominative -- (serving as or indicating the subject of a verb and words identified with the subject of a copular verb; "nominative noun endings"; "predicate nominative")
nominative, nominal -- (named; bearing the name of a specific person; "nominative shares of stock")
nominated, nominative -- (appointed by nomination)