Main Entry:

mas·tery

Pronunciation:

\ˈmas-t(ə-)rē\

Function:

noun

Etymology:

Middle English maistrie, from Anglo-French mestrie, maistrie, from meistre master

Date:

13th century

1 a: the authority of a master : dominion b: the upper hand in a contest or competition : superiority, ascendancy2 a: possession or display of great skill or technique b: skill or knowledge that makes one master of a subject : command