\La*cus"tral\, Lacustrine \La*cus"trine\, a. [L. lacus
lake: cf. F. lacustral, lacustre.]
Found in, or pertaining to, lakes or ponds, or growing in
them; as, lacustrine flowers.
{Lacustrine deposits} (Geol.), the deposits which have been
   accumulated in fresh-water areas.
{Lacustrine dwellings}. See {Lake dwellings}, under {Lake}.