Main Entry: la·goon

Pronunciation: \lə-ˈgün\

Function: noun

Etymology: French & Italian; French lagune, from Italian laguna, from Latin lacuna pit, pool, from lacus lake

Date: 1673

1 : a shallow sound, channel, or pond near or communicating with a larger body of water
2 : a shallow artificial pool or pond (as for the processing of sewage or storage of a liquid)

— la·goon·al \-ˈgü-n^əl\ adjective