lew·is 
(lĭs)
(lĭs)n.
A dovetailed iron tenon made of several parts and designed to fit into a dovetail mortise in a large stone so that it can be lifted by a hoisting apparatus. Also called lewisson.
[Perhaps from the name Lewis.]
- up-to-date
- up-to-dateness
- up to ears
- Upton Beall
- up to neck
- up to (one's) ears
- up to one's ears
- up to (one's) neck
- up to one's neck
- up to scratch
- up to snuff
- up to speed
- up-to-the-minute
- uptown
- uptowner
- uptrend
- upturn
- upward
- upwardly
- upwardly mobile
- upward mobility
- upward of
- upwards of
- upward/upwards of
- upwell