adj. & n.
adj. 1 movable; not fixed; free or able to move or flow easily. 2 (of the face etc.) readily changing its expression. 3 (of a shop, library, etc.) accommodated in a vehicle so as to serve various places. 4 (of a person) able to change his or her social status.
n. a decorative structure that may be hung so as to turn freely. mobile home a large caravan permanently parked and used as a residence. mobile sculpture a sculpture having moving parts. mobility n.
[ ME f. F f. L mobilis f. movere move ]