What Does Pre Departure Mean?

: occurring before a departure a predeparture briefing pre-departure cocktails.

Is pre-departure one word?

Occurring before or in preparation for one's departure.

What does pre define mean?

1a(1) : earlier than : prior to : before Precambrian prehistoric. (2) : preparatory or prerequisite to premedical. b : in advance : beforehand precancel prepay. 2 : in front of : anterior to preaxial premolar.