master

definition: most important element
example:
speech part: adjective
synonyms: main
definition: an original creation (i.e., an audio recording) from which copies can be made
example:
speech part: noun
synonyms: original
definition: key that secures entrance everywhere
example:
speech part: noun
synonyms: passe-partout passkey master key
definition: presiding officer of a school
example:
speech part: noun
synonyms: schoolmaster
definition: an artist of consummate skill
example: a master of the violin
speech part: noun
synonyms: maestro
definition: an authority qualified to teach apprentices
example:
speech part: noun
synonyms: professional
definition: directs the work of others
example:
speech part: noun
synonyms:
definition: someone who holds a master's degree from academic institution
example:
speech part: noun
synonyms:
definition: an officer who is licensed to command a merchant ship
example:
speech part: noun
synonyms: captain skipper sea captain
definition: a person who has general authority over others
example:
speech part: noun
synonyms: overlord lord
definition: a combatant who is able to defeat rivals
example:
speech part: noun
synonyms: superior
definition: have a firm understanding or knowledge of
example:
speech part: verb
synonyms: control
definition: be or become completely proficient or skilled in
example: The student has mastered Japanese in less than two years.
speech part: verb
synonyms: get the hang
definition: get on top of
example:
speech part: verb
synonyms: subdue get over overcome surmount
definition: have dominance or the power to defeat over
example: The pain completely mastered me.
speech part: verb
synonyms: dominate

master is explained and pronounced

How master is being used?