prosthomere

noun pros·tho·mere \ˈprästhəˌmi(ə)r\

Definition of prosthomere

plural

-s

  1. :  a segment anterior to the mouth in arthropods

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 prosthomere

prosth- (from Greek prosthen before, in front) + -o- + -mere


Seen and Heard

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

WORD OF THE DAY

a trip made at another's expense

Get Word of the Day daily email!