[ luh-kuhs-trin ]
/ ləˈkʌs trɪn /


of or relating to a lake.
living or growing in lakes, as various organisms.
formed at the bottom or along the shore of lakes, as geological strata.


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Origin of lacustrine

1820–30; < Italian lacustr(e) of lakes + -ine1


in·ter·la·cus·trine, adjectivesub·la·cus·trine, adjective

Words nearby lacustrine Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for lacustrine

British Dictionary definitions for lacustrine

/ (ləˈkʌstraɪn) /


of or relating to lakes
living or growing in or on the shores of a lake

Word Origin for lacustrine

C19: from Italian lacustre, from Latin lacus lake
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for lacustrine

[ lə-kŭstrĭn ]

Relating to lakes.
Relating to a system of inland wetlands and deep-water habitats associated with freshwater lakes and reservoirs, characterized by the absence of trees, shrubs, or emergent vegetation. Compare marine palustrine riverine.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.