| Answer | Crossword Clue |
|---|---|
| spiculum | a needlelike structure, also SPICULE, SPICULA |
| spicules | SPICULE, a needlelike structure, also SPICULA, SPICULUM |
| spicule | a needlelike structure, also SPICULA, SPICULUM |
| spiculae | SPICULA, a needlelike structure |
| spicular | pertaining to a spicula (a needlelike structure) |
| monactine | the spicule of a sponge that has a single-spiked structure also MONACT |
| monact | the spicule of a sponge that has a single-spiked structure also MONACTINE |
