(US, colloquial) First class, superior.

plural of 1-A

A selective service class denoting that the registrant is only available for noncombat military service due to their conscientious objector status

Alternative spelling of 911

(uncommon) Alternative spelling of 911

(rare) Alternative spelling of 911

(Canada, US, telephony) Alternative form of 411

(US, colloquial) A restriction on air travel in the United States, such that passengers may carry liquids on board as long as they are in 3.4-ounce containers that fit in a single 1-quart bag.

(Canada, US, telephony) Alternative form of 811

(Canada, US) A toll-free number or a long-distance telephone numbers; using any of North American toll-free area codes 800, 888, 877, 866, 855, 844 or 833.