Definition of anchialine
: having an underground connection to a larger tidal body (such as the sea) but no surface connection anchialine pools Located on an island in The Abacos, the fauna in this seawater-flooded anchialine cave is among the richest and most diverse in the world. — Seed, June/July 2006
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Origin and Etymology of anchialine
Greek anchíalos “near the sea, sea-girt” (from anchí “near” + -alos, derivative of háls “sea”) + 1-ine
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