siphonoplax

noun si·phono·plax \sīˈfänəˌplaks, ˈsīfənōˌp-\

Definition of siphonoplax

plural

-es

  1. :  one of the calcareous plates that protect the siphon of various boring mollusks

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.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Origin and Etymology of siphonoplax

New Latin, from siphon- + Greek plax flat surface, tablet — more at please


Seen and Heard

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

WORD OF THE DAY

a brief usually trivial fact

Get Word of the Day daily email!