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

A dull, boring or pedantic speaker or writer.

Boring and pedantic in speech or writing.

plural of dryasdust

plural of dryas