a. [f. as if L. *lacustri- (f. lacus LAKE sb.4, after the analogy of palūstri-, palūster, f. palūd-, palūs marsh) + -INE.] Of or pertaining to a lake or lakes. Said esp. of plants and animals inhabiting lakes, and Geol. of strata, etc., which originated by deposition at the bottom of lakes; also with reference to lake-dwellings such as those of prehistoric Europe. Lacustrine age, period: the period when lake-dwellings were common.
1830. Lyell, Princ. Geol., I. iii. 49. The lacustrine and alluvial deposits of Italy. Ibid. (1833), III. 220. I collected six species of lacustrine shells.
1843. Portlock, Geol., 165. The clays and sands on Lough Neagh were of lacustrine origin.
1850. H. Miller, Footpr. Creat., i. (1874), 9. Lacustrine plants.
1851. D. Wilson, Preh. Ann. (1863), I. i. 38. The lacustrine habitations of Switzerland.
1868. Peard, Water-Farm., iii. 30. The stream we design to cultivate must possess no lacustrine head.
1869. Lubbock, Preh. Times, ix. (ed. 2), 291. The bones generally occur in the lacustrine shell marl.
1875. Emerson, Lett. & Soc. Aims, Prog. Cult., Wks. (Bohn), III. 225. Who would live in the stone age or the lacustrine?
1878. Huxley, Physiogr., 143. Lacustrine Delta. The alluvial tract formed by a river at its embouchure into a lake.
1879. Rutley, Study Rocks, iii. 15. Identified with a marine or a lacustrine fauna.
1880. Harting, Brit. Anim. Extinct, 3. Wild boars wallowing in lacustrine mire.