Any of several plants of the genus Dryas; the mountain avens. / One of two periods of cold and increased glaciation thousands of years before the present (Younger Dryas and Older Dryas).

(geology) Either of two climatic stages of the late glacial period in Northern Europe in which plants of the genus Dryas were abundant

Boring and pedantic in speech or writing.

A dull, boring or pedantic speaker or writer.

plural of dryasdust

plural of dryas