from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of various minute single-celled freshwater organisms of the genus Euglena, characterized by the presence of chlorophyll, a reddish eyespot, and a single anterior flagellum.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any of several protists, of the genus Euglena, that contain chloroplasts and a single flagellum
from The Century Dictionary and Cyclopedia
- n. The typical genus of infusorians of the family Euglenidæ.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. minute single-celled green freshwater organism having a single flagella; often classed as algae
New Latin : Greek eu-, eu- + Greek glēnē, eyeball.(American Heritage® Dictionary of the English Language, Fourth Edition)