SINCE 1828
dictionary
thesaurus

siphonoplax

noun
Save Word
si·​phono·​plax | \ sīˈfänəˌplaks, ˈsīfənōˌp- \
plural -es

Definition of siphonoplax

: 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.

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!

History and Etymology for siphonoplax

New Latin, from siphon- + Greek plax flat surface, tablet

Learn More About siphonoplax

Dictionary Entries Near siphonoplax

siphonophore

siphonoplax

siphonorhinal

See More Nearby Entries 

Statistics for siphonoplax

Cite this Entry

“Siphonoplax.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/siphonoplax. Accessed 11 Aug. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

alleviate

Listen to the pronunciation of alleviate

See Definitions and Examples »

Test Your Vocabulary

Odd Habits and Quirks

  • image1926873504
  • Which of the following best describes an easily irritated person?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

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

Words at Play
Ask the Editors
Word Games