the world > the earth > water > flow or flowing > flood or flooding > [noun] > sea (5)
In extended use (of a natural force or agent). A flood, a high tide, a swell; a sudden rising of the sea. Obsolete.
(a) a breaker; (b) an irruption of the sea.
Geology. The spread of the sea over the land, as evidenced by the deposition of unconformable marine sediments.