late 14c., from adjective or genitive form of Old English æspe "aspen tree, white poplar," from Proto-Germanic *aspo- (source also of Old Norse ösp, Middle Dutch espe, Old High German aspa, [..]

variety of poplar tree.

  of the asp tree.

(n) any of several trees of the genus Populus having leaves on flattened stalks so that they flutter in the lightest wind

The aspen leaf is said to tremble, from shame and horror, because our Lord’s cross was made of this wood. The fact is this: the leaf is broad, and placed on a long leaf-stalk so flexible as s [..]

A ski-resort town in Colorado. A small community in Guysborough County, Nova Scotia. of modern usage, denominated for the aspen tree.

From the English word for a variety of deciduous trees in the genus Populus, derived from Old English æspe. It is also the name of a ski resort in Colorado.