adhesive organ

noun

: a transient larval organ situated near the mouth in certain ganoids, African teleosts, and dipnoans and serving for attachment to the sea bottom

called also cement organ

Word History

First Known Use

1806, in the meaning defined above

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now