quaking

noun

Trembling; fear; agitation.

A. & n. from quake, v.

An American species of poplar (Populus tremuloides), the leaves of which tremble in the lightest breeze. It much resembles the European aspen. See Aspen.

A bog of forming peat so saturated with water that it shakes when trodden upon.

Rattlesnake grass (Glyceria Canadensis).