–noun

1.	wireless telegraphy or telephony: speeches broadcast by radio.

2.	an apparatus for receiving or transmitting radio broadcasts.

3.	a message transmitted by radio.

–adjective

4.	pertaining to, used in, or sent by radio.

5.	pertaining to or employing radiations, as of electrical energy.

–verb (used with object)

6.	to transmit (a message, music, etc.) by radio.

7.	to send a message to (a person) by radio.

–verb (used without object)

8.	to transmit a message, music, etc., by radio.

–verb (used with object)

1.	to exercise restraint or direction over; dominate; command.

2.	to hold in check; curb: to control a horse; to control one's emotions.

3.	to test or verify (a scientific experiment) by a parallel experiment or other standard of comparison.

4.	to eliminate or prevent the flourishing or spread of: to control a forest fire.

5.	Obsolete. to check or regulate (transactions), originally by means of a duplicate register.

–noun

6.	the act or power of controlling; regulation; domination or command: Who's in control here?

7.	the situation of being under the regulation, domination, or command of another: The car is out of control.

8.	check or restraint: Her anger is under control.

9.	a legal or official means of regulation or restraint: to institute wage and price controls.

10.	a standard of comparison in scientific experimentation.

11.	a person who acts as a check; controller.

12.	a device for regulating and guiding a machine, as a motor or airplane.

13.	controls, a coordinated arrangement of such devices.

14.	prev 3e8 ention of the flourishing or spread of something undesirable: rodent control.

15.	Baseball. the ability of a pitcher to throw the ball into the strike zone consistently: The rookie pitcher has great power but no control.

16.	Philately. any device printed on a postage or revenue stamp to authenticate it as a government issue or to identify it for bookkeeping purposes.

17.	a spiritual agency believed to assist a medium at a séance.

18.< b63 /td>

the supervisor to whom an espionage agent reports when in the field.

–noun

1.	an automobile.

2.	a vehicle running on rails, as a streetcar or railroad car.

3.	the part of an elevator, balloon, modern airship, etc., that carries the passengers, freight, etc.

4.	British Dialect. any wheeled vehicle, as a farm cart or wagon.

5.	Literary. a chariot, as of war or triumph.

6.	Archaic. cart; carriage.