mound builder mound bird • mound-building · · · Info · Definitions · Synonyms · Characters · · mound builder · · Text Common · · Latin · · Scripts 13 · · Length Definitions · · · (noun) prehistoric Amerindians who built altar mounds. Synonyms: Mound Builder. · · Noun Definition 1 (noun) large-footed short-winged birds of Australasia; build mounds of decaying vegetation to incubate eggs. Synonyms: megapode, mound bird, mound-bird, scrub fowl. · · Noun Definition 2 Synonyms · · · mound · · Synonym 1 hill · · Synonym 2 pitcher's mound · · Synonym 3 knoll · · Synonym 4 hillock · · Synonym 5 hummock · · Synonym 6 hammock · · Synonym 7 pile · · Synonym 8 heap · · Synonym 9 agglomerate · · Synonym 10 cumulation · · Synonym 11 cumulus · · Synonym 12 pitcher · · Synonym 13 Characters · · space U+0020 b latin small letter b U+0062 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 u latin small letter u U+0075