Hind·ley's screw | \ ˈhī|n(d)lēz-, ˈhi| \
Definition of Hindley's screw
: an endless screw or worm shaped like an hourglass to fit a part of the circumference of a worm wheel so as to increase the bearing area and thereby diminish the wear
— called also hourglass screw
Love words? Need even more definitions?Merriam-Webster unabridged
Words at Play
“In Vino Veritas” and Other Latin Phrases to Live By
Top 10 Latin Phrases
10 Polite Words for Impolite People
'Smatchet', 'Fustilugs', and more
Is It 'Home In' or 'Hone In'?
Both are used, but home in does a better job of...
Merriam-Webster's Words of the Week - Jan. 21
From the week ending 1/21/2022
Ask the Editors