(mō′bəl, -bēl) adjective
1. Characterized by freedom of movement; movable.
2. Changing easily in expression or in state of mind; changeable.
3. Moving or flowing freely.
4. That can be easily and quickly moved, as military units.
5. Designating a mobile.
—noun (mō′ bēl) A form of sculpture arranged so that its movable parts, suspended or balanced on rods, wires, etc., describe kinetic rather than static patterns. [<F <L mobilis movable]
—mo·bil·i·ty (mō·bil′ə·tē) noun Synonyms: changeable, changing, expressive, fickle, movable, sensitive, variable, volatile. See ACTIVE. Antonyms: dull, fixed, immovable, still, stolid, unchanging, unvarying.

(mō·bēl′)
A port of Alabama, on Mobile Bay, an arm of the Gulf of Mexico in SW Alabama.