Go-devil
Pronunciation : Go"-dev"il, n. (Mach.) (a) A weight which is dropped into a bore, as of an oil well, to explode a cartridge previously lowered. (b) A device, as a loosely fitted plug, which is driven through a pipe by the pressure of the contents behind the plug to clear
Part of Speech : U.
Definition :
S.]
Source : Webster's Unabridged Dictionary, 1913