In rocketry, what specifically defines a 'splashdown'?

Answer

The controlled or uncontrolled descent into the ocean

A splashdown refers to the stage impacting the ocean surface, whether this outcome was intentionally planned for return capsules or resulted from a failed recovery attempt of a booster.

In rocketry, what specifically defines a 'splashdown'?

#Videos

Why SpaceX Really Lands In The Ocean (Physics) - YouTube

Aerospaceoceanspace travelrocketsLanding