ablative absolute Meaning, Definition & Usage

  1. noun a constituent in Latin grammar; a noun and its modifier can function as a sentence modifier

WordNet

Definitions
  1. a construction in Latin, in which a noun in the ablative case has a participle (either expressed or implied), agreeing with it in gender, number, and case, both words forming a clause by themselves and being unconnected, grammatically, with the rest of the sentence; as, Tarquinio regnante, Pythagoras venit, i. e., Tarquinius reigning, Pythagoras came.

Webster 1913