Splashdown
ahd-5
noun.
The landing of a spacecraft or missile in water.
Wiktionary, Creative Commons Attribution/Share-Alike License
noun.
The landing of a space capsule on water (which causes a
splash
as it comes down).
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
a landing of a spacecraft in the sea at the end of a space flight