from the GNU version of the Collaborative International Dictionary of English
- adj. either one of two annual leguminous herbs (Cassia Chamæcrista, and Cassia nictitans), in both of which the leaflets close quickly when the plant is disturbed.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. tropical American plant having leaflets somewhat sensitive to the touch; sometimes placed in genus Cassia
Sorry, no etymologies found.