PLATYCERIUM

\plˌata͡ɪsˈi͡əɹɪəm], \plˌata‍ɪsˈi‍əɹɪəm], \p_l_ˌa_t_aɪ_s_ˈiə_ɹ_ɪ__ə_m]\
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2006 - WordNet 3.0
By Princeton University
 
2011 - English Dictionary Database
By DataStellar Co., Ltd