nominative absolute
noun
variants:
or less commonly nominative independent
Definition of nominative absolute
: a construction in English consisting of a noun in the common case or a pronoun in the nominative case joined with a predicate that does not include a finite verb and functioning usually as a sentence modifier but also sometimes capable of being construed as the modifier of a particular word in the sentence (as her head erect in “she walked along, her head erect” or he being absent in “he being absent, no business was transacted”)