adj ·Rare ·Advanced level

Definitions

Adjective

1. 1
   Of a sponge spicule: having eight rays.

Editorial Guides For "octactinal"

How to Write Clear Call-to-Action Copy

Create stronger CTA text for landing pages and product flows without hype language.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.