ˈvalveletrare. Also 9 valvlet. [f. valve n. + -let.] A small valve. 1793Martyn Lang.Bot., Valvula, a..Valvelet, or Valvule.[Hence in later Dicts.]1870tr.Pouchet's Universe 125 Two large openings, each furnished with two valves or valvlets intended to prevent the reflux of the blood.