subabdominal

adjective

sub·​abdominal

¦səb+

of a ventral fin

: situated nearly far enough back to be considered abdominal

Word History

Etymology

sub- + abdominal

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