combining form of URETHRA (cf. URETHRO-), occurring in a few terms, as urethragraph, -tome, urethrameter (see quots.).
1875. Knight, Dict. Mech., 2634/2. Urethratome,… a knife for dividing strictures of the urethra.
1883. G. Herschel, in Lancet, 2 June, 943/2. The instrument which I have devised, and to which I propose to give the name of *urethragraph. Ibid. Every surgeon who … habitually makes use of the *urethrameter.
1885. Brit. Med. Jrnl., 11 July, 54/2. Having found out the number, situations, and sizes of the contractions [of the urethra] … by the urethrameter.
