burrstone

English

Alternative forms

• buhrstone, burstone

Pronunciation

• IPA^(key): /ˈbɚstoʊn/

Noun

burrstone (countable and uncountable, plural burrstones)

1. A tough, silicified limestone formerly used to make millstones. It is typified by the presence of multiple cavities that originally housed fossilized shells.

   Synonym: buhr

Anagrams

• retrosnub, trueborns