'Gerundial' definitions:

Definition of 'gerundial'

From: WordNet
adjective
Relating to or like a gerund; "the gerundial suffix `-ing'"

Definition of 'Gerundial'

From: GCIDE
  • Gerundial \Ge*run"di*al\, a. Pertaining to, or resembling, a gerund; as, a gerundial use. [1913 Webster]