megalith Megalichthys • megalithic · · · Info · Definitions · Synonyms · Characters · · megalith · · Text Latin · · Script 8 · · Length Definitions · · · (noun) memorial consisting of a very large stone forming part of a prehistoric structure (especially in western Europe). Synonyms: megalithic structure. · · Noun Definition 1 Synonyms · · · megalithic structure · · Synonym 1 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 g latin small letter g U+0067 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D t latin small letter t U+0074