val·vate \ˈvalˌvāt\adjective Etymology: New Latin valvatus, from Latin, having folding doors, from valva leaf of a folding door + -atus -ate — more at valve : having valves or parts resembling a valve: a.: meeting at the edges without overlapping < valvate sepals > < valvate leaves > b.: opening as if by doors or valves < valvate capsules > < valvate anthers >