rubstone

English

Etymology

From rub +‎ stone.

Noun

rubstone (plural rubstones)

1. a whetstone (stone for scouring or rubbing).

References

• “rubstone”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.

Anagrams

• nursebot, tuberons