junk ring en · NOUN
Etymology
From junk + ring, first use appears c. 1839 in the writings of Robert Spencer Robinson.
Meanings
- A wide ring which fits in a groove around the piston of an internal combustion engine to keep it steamtight by retaining the packing in place.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| junk rings | Number=Plur | lexicographic |