cynodon

from The Century Dictionary.

• noun A small genus of grasses, low creeping perennials, with digitate, one-sided spikes: so named from its sharp-pointed under-ground shoots. The chief species is C. Dactylon, the well-known and widely distributed Bermuda grass.
• noun In zoology, a genus of apparently canine fossil mammals, of uncertain position.

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

• noun a genus of creeping perennial grasses of tropical and southern Africa.

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

• noun creeping perennial grasses of tropical and southern Africa