noun, noun or participle which takes 'suru', intransitive verb
staying overnight before an event; spending the night ahead
Often used for staying near an airport the night before an early flight, or arriving a day early for an event. The verb form is 前泊する (intransitive).
See also: 後泊 (こうはく)
早朝のフライトに備えて、空港近くのホテルに前泊した。
I stayed overnight at a hotel near the airport to prepare for the early morning flight.
会議の前日に現地で前泊する予定です。
I plan to stay overnight at the venue the day before the conference.