plural noun

in some classifications
: a group of birds including the ducks, geese, swans, mergansers, and usually the flamingos and having transverse ridges like teeth just inside the edges of the bill compare anseres

Word History


New Latin, from lamell- + -rostres (from Latin rostrum beak)

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!

Dictionary Entries Near Lamellirostres

Cite this Entry

“Lamellirostres.” Dictionary, Merriam-Webster, Accessed 10 Dec. 2023.

Love words? Need even more definitions?

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