plural noun
Bo·​pyr·​i·​dae | \ -rəˌdē\

Definition of Bopyridae

: a large family of isopod crustaceans that live as parasites on shrimps and other decapods, the large females attaching themselves to their host by hooked legs, often causing parasitic castration of the host, and themselves becoming extremely degenerated while the minute males live on or near the females and in large measure retain their isopod characters

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 Bopyridae

New Latin, from Bopyrus, type genus (probably from a proper name Bopyrus) + -idae

Keep scrolling for more

Comments on Bopyridae

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


highly pertinent or appropriate

Get Word of the Day daily email!

Test Your Vocabulary

Challenging Vocabulary Quiz Returns!

  • stylized drawing of woman pole vaulting across gap to get trophy
  • Which is a synonym of fuliginous?
Spell It

Can you spell these 10 commonly misspelled words?

Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

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