noun la·goon \lə-ˈgün\

: an area of sea water that is separated from the ocean by a reef or sandbar

Full Definition of LAGOON

:  a shallow sound, channel, or pond near or communicating with a larger body of water
:  a shallow artificial pool or pond (as for the processing of sewage or storage of a liquid)
la·goon·al \-ˈgü-nəl\ adjective

Origin of LAGOON

French & Italian; French lagune, from Italian laguna, from Latin lacuna pit, pool, from lacus lake
First Known Use: 1673

Other Geology Terms

anthracite, boulder, cwm, erratic, igneous, intrusive, mesa, sedimentary, silt, swale
LAGOONAL Defined for Kids


noun la·goon \lə-ˈgün\

Definition of LAGOON for Kids

:  a shallow channel or pond near or connected to a larger body of water


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