pipe wrench

English Thesaurus

1. adjustable wrench for gripping and turning a pipe; has two serrated jaws that are adjusted to grip the pipe (noun.artifact)

hypernym	:	adjustable spanner, adjustable wrench,
definition	:	can be changed to different settings (noun.artifact)

hyponym	:	chain tongs,
definition	:	a pipe wrench used for turning large pipes; an adjustable chain circles the pipe with its ends connected to the head whose teeth engage the pipe (noun.artifact)

hyponym	:	stillson wrench,
definition	:	a large pipe wrench with L-shaped adjustable jaws that tighten as pressure on the handle is increased (noun.artifact)