noun
Meaning 1
Any of the bones in a fish that support the dorsal fin. There are two to three of them: proximal, middle, and distal. In spinous fins the distal is often fused to the middle or not present at all.
Definition source: English Wiktionary via Wiktextract
Qualifier: marine biology
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided