Mobility
Pronunciation : Mo*bil"i*ty
Part of Speech : n.
Etymology : [L. mobilitas: cf. F. mobilit?.]
Definition : 1. The quality or state of being mobile; as, the mobility of a liquid, of an army, of the populace, of features, of a muscle. Sir T. Browne.
2. The mob; the lower classes. [Humorous] Dryden.
Source : Webster's Unabridged Dictionary, 1913