<p><strong>Noun:</strong></p><ul><li>A person with the ability or power to use, control, or dispose of something.</li><li>An owner of enslaved people in the institution of chattel slavery; a slaveholder.</li><li>An owner of a pet or other animal.</li><li>The male head of a household.</li><li>An employer of workers or servants.</li><li>The dominant sexual partner in a BDSM relationship of unequal power.</li><li>A person eminently skilled in something, as an occupation, art, or science.</li><li>A person whose teachings others accept or follow.</li><li>A male teacher or schoolmaster.</li><li>A title given to a bridge or chess player who has won or placed in a certain number of officially recognized tournaments.</li><li>A person holding this title.</li><li>A person who commands a merchant ship; captain.</li><li>A victor or conqueror.</li><li>A presiding officer.</li><li>An officer of the court to whom some or all of the issues in a case may be referred for the purpose of taking testimony and making a report to the court.</li><li>Jesus Christ.</li><li>A person who has been awarded a master's degree.</li><li>A boy or young man (used chiefly as a term of address).</li><li>An original document, drawing, manuscript, etc., from which copies are made.</li><li>A device or process that controls another device or process operating in a similar way.</li><li>An audio disk or tape from which duplicates may be made.</li><li>An original data file or disk from which duplicates may be made.</li><li>A work of art produced by a master.</li></ul><p><strong>Adjective:</strong></p><ul><li>Being master; exercising mastery; dominant.</li><li>Chief or principal.</li><li>Directing or controlling.</li><li>Of or relating to a master from which duplicates are made.</li><li>Dominating or predominant.</li><li>Being a master of some occupation, art, etc.; eminently skilled.</li><li>Showing expert skill, ability, or knowledge.</li></ul><p><strong>Verb:</strong></p><ul><li>To make oneself master of; become an adept in.</li><li>To conquer or overcome.</li><li>To rule or direct as master.</li><li>To produce a master audio file, disk, phonograph record, or tape of.</li></ul>