(vs) (1) to master
to learn
(n) (2) proprietor
manager
bar-owner
(n) (3) master (e.g. arts, science)
(P)
(vs) to master (skill, etc.)
(n) mustard
(P)
(n) (audio) remastering
(n) (comp) bus master
(n) master key
(n) (comp) master hub
(n) (comp) Webmaster
(n) (comp) Webmaster
(n) bandmaster
(n) postmaster
(n) (game) development deadline (wasei: master up)
(n) master course
(n) master code
(n) master tape
(n) (comp) master data
(n) mustard gas
(n) masterpiece
(n) master plan
(n) (comp) master page
(n) masterwork
(n) Masters Golf Tournament
(P)
(n) (comp) original disk
(n) mustard sauce
(n) master file
(n) master monitor
(n) quarter-master
(n) concert master
(n) digital remastering
(n,vs) masturbation