Surg. Obs. rare. [ad. L. tendicula, f. tendĕre to stretch: see -CULE.] Name of an instrument for dilating an opening; a dilator.
c. 1425. trans. Ardernes Treat. Fistula, etc., 24. Þan take þe tendicule and putte þe snowte of þe nedle in þe hole of þe fistule in puttyng it strongly.