bell end

Noun

 * 1) The flanged end of a pipe
 * 2) The protective device around the valve of a gas cylinder
 * 3) The end of an internal combustion engine that has the bell housing and by extension that end of the crankshaft
 * 1) The protective device around the valve of a gas cylinder
 * 2) The end of an internal combustion engine that has the bell housing and by extension that end of the crankshaft