Meaning

1 senses
  1. A pronoun that is used at the start of a sentence or clause when the referent is not immediately known, but an argument for the verb is syntactically required.

    In the sentences "It is a hammer that is needed." and "There are hammers in the toolbox.", both "it" and "there" are syntactic expletives.

syntactic expletive — meaning, examples, forms, synonyms | Krumeto