pinulus

noun pin·u·lus \ˈpinyələs\

Definition of pinulus

plural

pinuli

\-əˌlī\
  1. :  a usually pentact sponge spicule of which one ray projects either internally or externally from the sponge and develops numerous small spines

There's more!

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!
Already a subscriber? Log in.

Origin and Etymology of pinulus

New Latin pinulus, pinnulus, alteration of pinnula


Seen and Heard

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

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!