seiche segregator • Seid · · · Info · Definitions · Characters · · seiche · · Text Latin · · Script 6 · · Length Definitions · · · (noun) a wave on the surface of a lake or landlocked bay; caused by atmospheric or seismic disturbances. · · Noun Definition 1 Characters · · c latin small letter c U+0063 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 s latin small letter s U+0073