The phrase "art master" refers to someone who is highly skilled and knowledgeable in the field of art. They are experts who have mastered different artistic techniques and can create beautiful artworks. Full definition
Hoping to retire to a quiet and more peaceful life a former martial arts master finds himself pursued by his former master and a skilled detective. (mediamikes.com)
The prices all have to be heavily qualified because sales of fine art masters between private owners are among the most tightly controlled and secretive deals around. (theguardian.com)
Some pieces are an homage to contemporary art masters, while others depict human connections and relationships with nature. (katzmancontemporary.com)