n.
Function: transitive verb
Inflected Form: mas · tered ; mas · ter · ing \ -t( ə -)ri ŋ \
Date: 13th century
1 : to become master of : OVERCOME < master ed his fears>
2 a : to become skilled or proficient in the use of < master a foreign language> b : to gain a thorough understanding of <had master ed every aspect of publishing ― Current Biog. >
3 : to produce a master recording of (as a musical rendition)