noun Am·phi·ox·i·des \-ˌdēz\

Definition of Amphioxides

  1. :  a formerly recognized genus of pelagic lancelets mistakenly based on larvae of the genus Asymmetron

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 amphioxides

New Latin, from Amphioxus + Greek -idēs (patronymic suffix)

First Known Use: 1895

Seen and Heard

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


capable of being understood in two ways

Get Word of the Day daily email!