'Quern' definitions:

Definition of 'quern'

noun

A primitive stone mill for grinding corn by hand

From: GCIDE

Quern \Quern\, n. [AS. cweorn, cwyrn; akin to D. kweern, OHG. quirn, Icel. kvern, Sw. qvarn, Dan. qu[ae]rn, Goth. qairnus (in asiluqa['i]rnus), Lith. q[`i]rnos, and perh. E. corn.] A mill for grinding grain, the upper stone of which was turned by hand; -- used before the invention of windmills and watermills. --Shak. [1913 Webster]
They made him at the querne grind. --Chaucer. [1913 Webster]