rat's tail file
noun
A fine round file with a tapering end = rat-tail file.
Origin
Late 18th century.
- motor coach
- motor-coaster
- motor cortex
- motor court
- motorcross
- motorcycle
- motorcycle combination
- motorcycle cop
- motorcycle escort
- motorcycle mama
- motorcycle messenger
- motorcycle mom
- motorcycle momma
- motorcycle officer
- motorcycle policeman
- motorcycling
- motorcyclist
- motordom
- motor drive
- motor-driven
- motordrome
- motor gasoline
- motor generator
- motor glider
- motorhead