Home › Words › S › seacaveseacaveseacave means A cave that is in or under the sea.EtymologyFrom sea + cave.nounA cave that is in or under the sea.e.g.“He took long walks, rambled on the beach, along the base of the cliffs and among the brown sea-caves […]” — 1879, Henry James, chapter 21, in Confidence:Definitions & examples from Wiktionary (CC BY-SA 3.0).