1
to launch;to shoot up;to hit (a ball) high
湖の上に打ち上げるから。
They shoot them off over the lake.
2
(of waves) to dash;to wash up (ashore)
3
to finish (e.g. a theater run, sumo tournament);to close
4
to report (to boss, etc.)
Other forms
打ち揚げる 【うちあげる】 (rarely used kanji form) · 打上げる 【うちあげる】 (search-only kanji form) · 打揚げる 【うちあげる】 (search-only kanji form)