chlamydomonas

from The Century Dictionary.

• noun The typical genus of the family Chlamydomonadidæ.

from the GNU version of the Collaborative International Dictionary of English.

• noun the type genus of the Chlamydomonadaceae; they are solitary biflagellated plantlike algae common in fresh water and damp soil. They multiply freely and are often a pest around filtration plants.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun type genus of the Chlamydomonadaceae; solitary doubly-flagellated plant-like algae common in fresh water and damp soil; multiply freely; often a pest around filtration plants