The story
As also with grub screw, the name is by fancied resemblance to an invertebrate.
Etymology from Wiktionary, CC BY-SA 4.0.
worm screw
Today it means: Synonym of worm (“screw component of a worm drive”). Full definition →
Today it means: Synonym of worm (“screw component of a worm drive”). Full definition →
As also with grub screw, the name is by fancied resemblance to an invertebrate.
Etymology from Wiktionary, CC BY-SA 4.0.