ventipane /ˈvɛn.tɪˌpeɪn/ noun1 •A small, pivoting or fixed glass panel set into the front corner of a vehicle's side window, designed to provide ventilation by directing airflow into the passenger compartment.A sliding bolt latch is attached to the ventiplane window to engage the vertical window guide, preventing the window from being forced open from the outside. — 1933 formsventipanes
