"Ŭ", or "ŭ", is a vowel and letter in the Esperantoalphabet. Since each letter in Esperanto has a consistent sound, this letter is always pronounced the same; its sound is represented by [w] in SAMPA.
... an excretory function in both sexes, to pass urine to the outside, and also a reproductive function in the male, as a passage for sperm.
The external urethral sphincter ...