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

Medical Dictionary

cirrus

play
noun cir·rus \ˈsir-əs\

Medical Definition of cirrus

plural cirri \ˈsi(ə)r-ˌī\play

  1. :  a slender usually flexible animal appendage: asa:  a fused group of cilia functioning like a limb on some protozoansb:  the male copulatory organ of some worms



Illustration of cirrus


Learn More about cirrus


Seen and Heard

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

WORD OF THE DAY

a division or portion of a pool or whole

Get Word of the Day daily email!