(obsolete) One who has the use of anything held in trust for another.

plural of usager

A custom or established practice. / (uncountable) Custom, tradition. / The act of using something; use, employment.

plural of usage

bad, cruel or unkind treatment

market share

plural of usage share

plural of usage guide

(linguistics, education) A book that explains how to use a standardised language correctly and in keeping with currently accepted style, usually through the explication of what are conservatively viewed as language "errors".