'Stillson wrench' definitions:
Definition of 'Stillson wrench'
(from WordNet)
noun
A large pipe wrench with L-shaped adjustable jaws that tighten as pressure on the handle is increased
Definition of 'Stillson wrench'
From: GCIDE
- Stillson wrench \Still"son wrench\ A pipe wrench having an adjustable L-shaped jaw piece sliding in a sleeve that is pivoted to, and loosely embraces, the handle. Pressure on the handle increases the grip. [Webster 1913 Suppl.]