rare. Also 9 valvlet. [f. VALVE sb. + -LET.] A small valve.
1793. Martyn, Lang. Bot., Valvula, a … Valvelet, or Valvule. [Hence in later Dicts.]
1870. trans. Pouchet’s Universe, 125. Two large openings, each furnished with two valves or valvlets intended to prevent the reflux of the blood.
