(linguistics) The use of the auxiliary verb "do" in negative or interrogative English sentences that do not contain other auxiliaries.

The capacity of independent support; self-sufficiency. / The act or means of supporting oneself financially; livelihood

A force that completely balances the weight of an object at rest.

(law) Alimony.

(military) The act of using aircraft to attack an enemy to assist ground military forces.

(US, law) (in the context of support for terrorism) Any property, or service, including currency or monetary instruments or financial securities, financial services, lodging, training, expert advice or assistance, safe houses, false documentation or identification, communications equipment, facilities, weapons, lethal substances, explosives, personnel, and transportation, except medicine or religious materials

plural of support group

An artificial system designed to provide oxygen in an environment that lacks oxygen. / (medicine) Maintenance of vital functions of a critically ill or comatose person or a person undergoing surgery.

A group of people who informally support each other over a problem which all members share.

An entertainer or musician, or group thereof, that performs before the main event.