Definition of attritor in US English:

attritor

noun

  • A thing which wears something down, or rubs or scrapes something away; especially a tool for grinding.

Origin

Early 19th century; earliest use found in Art of Preserving Feet. From classical Latin attrīt-, past participial stem of atterere + -or.

Pronunciation

attritor

/əˈtrʌɪtə/