castellated nut en · NOUN
Etymology
Physically descriptive via a metaphor; called thus because the slots in the nut — the castellations — have a fancied resemblance to the battlements of a castle.
Meanings
- A type of nut (internally threaded fastener) with castellations, typically to hold a retaining pin that is passed through a cross-drilled hole, such as a cotter pin.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| castellated nuts | Number=Plur | lexicographic |