Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

heterocercal

play
adjective het·ero·cer·cal \-ˈsər-kəl\

Definition of heterocercal

  1. 1 of a fish tail fin :  having the upper lobe larger than the lower with the vertebral column extending into the upper lobe

  2. 2 :  having or relating to a heterocercal tail fin



1838

First Known Use of heterocercal

1838


Seen and Heard

What made you want to look up heterocercal? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

immature or lacking adult sophistication

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image567572573

Which of these is a synonym of unctuous?

angry prompt oily maudlin
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ