-läd.ˌē, -lād.ˌē noun plural
Usage: capitalized
Etymology: New Latin, from flagellum + -atae (from Latin, feminine plural of -atus -ate)
in some classifications : a class of flagellated unicellular organisms comprising the Chrysomonadina, Cryptomonadina, Euglenoidina, and closely related flagellate and algal organisms and being nearly equivalent in scope to Phytomastigina of other classifications