Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

Hadrosaurus

noun
Had·​ro·​sau·​rus

Definition of Hadrosaurus

: a genus (the type of a family Hadrosauridae) of North American hadrosaurs consisting of a single species (Hadrosaurus foulkii)

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 Hadrosaurus

New Latin, from hadr- + -saurus

Keep scrolling for more

Learn More about Hadrosaurus

Share Hadrosaurus

Dictionary Entries near Hadrosaurus

hadron

hadrosaur

hadrosaurid

Hadrosaurus

hadst

hae

haecceitas

Statistics for Hadrosaurus

Look-up Popularity

Comments on Hadrosaurus

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

Show Comments  Hide Comments 

WORD OF THE DAY

wherewithal

means, resources, or money

Get Word of the Day daily email!

Test Your Vocabulary

Homophone Quiz

  • three-bears-two-of-them-look-like-theyre-whispering-to-a-third-bear-who-looks-chuffed-to-be-the-center-of-attention
  • In order to judge how people felt, the senator's office hired a firm to take a ______.
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ

Love words? Need even more definitions?

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

Words at Play

Ask the Editors

Word Games