ˈ ̷ ̷ˌ ̷ ̷ ̷ ̷ noun
: any of various machines or devices:
a. : a weight formerly dropped into a borehole (as of an oil well) to explode a cartridge previously lowered ; also : a small torpedo dropped in for the same purpose
b. : a cleaning scraper that is rotated and propelled through a pipeline by the force of the flowing oil
c. : alligator 6b
d. : buck rake
e. : a cultivator having wooden sled runners equipped on each side with curved knives or discs that is designed to follow listed furrows and is used especially for the first two cultivations of corn — called also sled cultivator
f. : a handcar or small gasoline-powered car used by railroad section gangs for transporting laborers and supplies