ˈthālēə noun
Usage: capitalized
Etymology: New Latin, from Greek, abundance, from the stem of thallein to sprout, grow, thrive + -ia -y; akin to Armenian dalar green, fresh, Albanian dal I come forth, and perhaps to Welsh dail leaves, Middle Irish duille; basic meaning: to blossom, bloom
1. : a small genus of American mostly aquatic herbs (family Marantaceae) with broad long-stalked basal leaves, terminal panicles of bracted purple flowers, and globose capsules
2. : a genus of pelagic tunicates commonly regarded as a subgenus of Salpa