ˈ ̷ ̷ˌ ̷ ̷ ̷ ̷ noun
Etymology: stop (I) + water
: any of various devices or procedures for securing watertightness: as
a. : a plug of soft wood driven into a hole bored in the seam of a scarf
b. : canvas backed with red lead or other material and fitted between metal parts (as of a ship)