| Answer | Crossword Clue |
|---|---|
| madrepore | A stony coral of the genus Madrepora |
| madrepores | A stony coral of the genus Madrepora |
| madreporic | any true or stony coral of the order Madreporaria, forming reefs or islands in tropical seas |
| gromwell | any of various often hairy plants of the genus Lithospermum, of the borage family, usually bearing white or yellowish flowers and smooth, white, stony nutlets |
