1
rise of the curtain;opening of a play
Antonym:
幕切れ (まくぎれ)
2
beginning (e.g. of an era);start;opening (of a tournament, festival, etc.)
See also:
幕開け (まくあけ)
Other forms
幕開 【まくあき】 (irregular okurigana usage) · 幕明き 【まくあき】 (rarely used kanji form) · 幕あき 【まくあき】 (search-only kanji form)