Retrorse is a 8 letter English word. It's valid Scrabble word worth 8 points. It's valid Words with friends word worth 8 points.
You can make 119 anagrams from letters in retrorse (eeorrrst).
1815-25; Latin retrōrsus, contracted form of retrōversus bent backward, equivalent to retrō- retro- + versus (past participle of vertere to turn); see Examples for retrorse
The dorsal fin has a large spine with retrorse serrations behind.