(linguistics, rare) One who defines a language by usage rather than theory.

plural of usager

Of or pertaining to the United States of America.

An inhabitant or citizen of the United States of America.

(nonstandard) The United States of America.

The quality of being usable.

In a usable manner.

a semisweet Georgian wine / a kind of grape used to make that wine

plural of Usanian

(radio) The highest frequency that allows radio waves to be reflected off the ionosphere.