Noun a hard substance made of the limestone skeletons of marine polyps. a colony of marine polyps. a somewhat yellowish pink colour, the colour of red coral. Translations Chinese: 珊瑚 Dutch: koraal n (1), koraalrif n (2), koraalrood n (3) Esperanto: koralo French: Corail German: Korallenriff n (1,2) Spanish: Adjective made of coral. having a yellowish pink colour Translations Dutch: koraal (1), koraalrood (2) Esperanto: korala Spanish: Related words See Appendix:Colours