plural noun
Phal·​lo·​steth·​i·​dae | \ ˌfalōˈstethəˌdē \

Definition of Phallostethidae

: a family of small freshwater and brackish-water fishes of southeastern Asia and the Philippines that are of very uncertain systematic position and are sometimes isolated in a suborder of Percomorphi and regarded as related to the Atherinidae or are made a separate order and held to have affinities chiefly with the Microcyprini

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 Phallostethidae

New Latin, from Phallostethus, type genus (from phall- + Greek stēthos breast) + -idae

Keep scrolling for more

Learn More about Phallostethidae

Statistics for Phallostethidae

Cite this Entry

“Phallostethidae.” Dictionary, Merriam-Webster, Accessed 23 Oct. 2020.

Comments on Phallostethidae

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


Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
Spell It

Can you spell these 10 commonly misspelled words?

Dictionary Devil

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!