Sc. Also averan, -en, aiverin, avern. [Etymol. unknown.] The cloudberry or knoutberry (Rubus chamæmorus).
1768. Ross, Helenore, 26 (Jam.). She … spies a spot of averens ere lang.
c. 1795. Perths. Statist. Acc., ix. 237 (Jam.). Picking up here and there a plant of the rubus chamaemorus (the averan or Highland oidh’rac).
1881. Blackw. Mag., July, 109. Does the reader know the cranberry and the avern?
