[grand master] n (1724) 1: the chief officer of a principal lodge in various fraternal orders (as Freemasonry)
2: an expert player (as of chess) who has consistently scored high in international competition
[grand master] n (1724) 1: the chief officer of a principal lodge in various fraternal orders (as Freemasonry)
2: an expert player (as of chess) who has consistently scored high in international competition
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012