noun, noun or participle which takes 'suru', intransitive verb
setting sail; departure (from a port)
Refers specifically to a ship leaving port. Used as a noun or with する to mean 'to set sail'. Somewhat formal or nautical in tone.
船は明朝、横浜を出帆する予定だ。
The ship is scheduled to set sail from Yokohama tomorrow morning.
Preparations for departure are complete.