the world > the earth > water > flow or flowing > wave > types of waves > [noun] > unusually large
sea1582
tenth wave1585
sea-mountain1694
mountain wave1696
seventh wave1759
death wave1832
fluctuosity1850
Spanish wave1852
ranger1891
1850 L. HuntAutobiogr. II. xvii. 278 Waves might be classed..we ought to have waves, wavelets, billows, fluctuosities, etc., a marble sea, a sea weltering.