k-sel-uh]
| a genus of rod-shaped, aerobic bacteria, certain species of which, as M. lacunata, are parasitic and pathogenic for humans and other warm-blooded animals. |

Moraxella Mor·ax·el·la (môr'āk-sěl'ə)
n.
A genus of aerobic nonmotile bacteria, containing gram-negative cocci or short rods, that are parasitic on the mucous membranes of humans and other mammals; the type species, M. lacunata, causes conjunctivitis in humans.