- the landing of a space vehicle in a body of water, especially the ocean: The footage of Apollo 11's splashdown was seen by millions across the United States.
- the exact place where such a landing is made: The splashdown is expected to be American Samoa.
- the time of such a landing: The splashdown was 2:04 p.m.
- (of a spacecraft or an astronaut) to land in a body of water, especially the ocean: The crew of Expedition 55 splashed down in the Pacific Ocean exactly as predicted at 10:43 this morning.
- the controlled landing of a spacecraft on water at the end of a space flight
- the time scheduled for this event
- (of a spacecraft) to make a splashdown
