You searched for: “urethrometer”
urethrometer (s) (noun), urethrometers (pl)
A device that measures the width of the urethra and detects constrictions: A urethrometer has a mechanical dial to indicate the distention in the urethra.
This entry is located in the following units: meter-, metro-, metr-, -metrical, -metrically, -metron, -metric, -metrist, -meter, -meters, -metry, -metre (page 43) urethro-, urethr- (page 2)