A biological term which refers to the ability to move spontaneously and independently. It can apply to either single-celled or multicellular organisms.
Found on http://www.nano.org.uk/nano/glossary.htm
In biology, motility is the ability to move spontaneously and actively, consuming energy in the process. Most animals are motile but the term applies to unicellular and simple multicellular organisms, as well as to some mechanisms of fluid flow in multicellular organs, in addition to animal locomotion. Motile marine animals are commonly called fre... Found on http://en.wikipedia.org/wiki/Motility
A parameter recorded during microscopic examination of semen in the standardized breeding soundness evaluation quantifying spermatozoa movement, expressed as the percentage demonstrating forward progressive motility. Found on http://www.cattlepages.com/dictionary/