jack nut
Fetched 2026-10-26 (cache).
Synonyms: back out, sack out, jack up, jack it, jam nut, lock nut, pack out, jack pot, rack out, hack out
Antonyms: back out, sack out, jack up, jack it, jam nut, lock nut, pack out, jack pot, rack out, hack out
Related words from Datamuse; suggestions, not definitions.
Noun
- {{lb|en|mechanics}} A type of [[nut#English:_Q190977|nut]] with a [[sheet metal]] body that [[mushroom#Verb|mushroom]]s outward, on the far side of the hole through the [[substrate#Noun|substrate]], when the [[screw#Noun|screw]] is screwed in, thus providing [[anchoring]] with only one-sided access to the hole. {{ng|It is nearly equivalent to the female portion of a [[molly bolt]].}}
Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.