meato-used as combining form of meatus, in some names of surgical instruments, etc. meatometer|miːəˈtɒmɪtə(r)|, an instrument for measuring the meatus urinarius (Cent.Dict.). meatoscope|miːˈeɪtəskəʊp|[see -scope], a speculum for examining the urethra near the meatus (Syd. Soc.Lex. 1890). meatotome|miːˈeɪtətəʊm|[Gr. -τόµος that cuts], a spring knife for the cutting of a contracted meatus urinarius (Ibid.). meatotomy|miːəˈtɒtəmɪ|[Gr. -τοµία cutting], section of the meatus urinarius to make a larger opening (Ibid.).1895Erichsen Surg. (ed. 10) II. 1160 Meatotomy being,..performed to allow its [sc. a bougie's] introduction.1895Arnold & Son's Catal.Surg.Instr. 573 Meatoscope.
meato-/mɪˈeɪtəʊ/combining form of meatus: see -o-.