Webster’s Revised Unabridged Dictionary · 1913
Cynarrhodium
Cyn′ar·rho′di·um (s?n′?r-r?′d?-?m), n. [NL., from Gr. κυνόρροδον dog-rose; κύων, κυνός, dog + ῥόδον rose.] (Bot.) A fruit like that of the rose, consisting of a cup formed of the calyx tube and receptacle, and containing achenes.