duck-billed dinosaur duck-billed • duck-billed platypus · · · Info · Definitions · Synonyms · Characters · · duck-billed dinosaur · · Text Common · · Latin · · Scripts 20 · · Length 6 · · Syllables Definitions · · · (noun) any of numerous large bipedal ornithischian dinosaurs having a horny duck-like bill and webbed feet; may have been partly aquatic. Synonyms: hadrosaur, hadrosaurus, duck-billed dinosaur. · · Noun Definition 1 Synonyms · · · hadrosaur · · Synonym 1 hadrosaurus · · Synonym 2 Characters · · space U+0020 - hyphen-minus U+002D a latin small letter a U+0061 b latin small letter b U+0062 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 k latin small letter k U+006B l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075