Another term for wing nut (sense 1).
More example sentences
- Those of you who know where Shamino gets his butterfly nuts should have a good idea of where this is.
- Attach inside cup holders on Left and Right Side Panels using butterfly nuts and hanging boards.
- It will prevent the butterfly nut from falling off while the ‘cruise control’ is not in use.
Definition of butterfly nut in:
- The US English dictionary