Definition of Stillson in English:


Syllabification: Still·son
Pronunciation: /ˈstilsən
(also Stillson wrench)


A large wrench with jaws that tighten as pressure is increased.
More example sentences
  • First designated as No. B80 was a heavy duty 18-inch Stillson pattern pipe wrench.
  • It took a 4-foot Stillson wrench with the two of you standing on a box out on the cinders, but you stopped the leak.
  • Hand tools made from these steels include open-end wrenches, Stillson wrenches, hammers, mauls, pliers and screw drivers and cutting tools, such as hatchets, axes, mower knives and band knives.


early 20th century: named after Daniel C. Stillson (1830–99), its US inventor.

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