Mo*bil"i*ty (?), n. [L. mobilitas: cf. F. mobilit'e.]
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.
© Webster 1913.