Webster's Revised Unabridged Dictionary · 1913

Lewis

Lewis (lū"is) , noun

1.
An iron dovetailed tenon, made in sections, which can be fitted into a dovetail mortise; -- used in hoisting large stones, etc.
2.
A kind of shears used in cropping woolen cloth.
Collocations (1)
Lewis hole , a hole wider at the bottom than at the mouth, into which a lewis is fitted. — De Foe

Also: Lewisson