Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “ulna”

ulna

noun [C]     /ˈʌl.nə/ specialized
a long , thin bone in the lower part of your arm → Compare radiusBone structuresThe arm
(Definition of ulna noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of ulna

Word of the Day

amicable

relating to behaviour between people that is pleasant and friendly, often despite a difficult situation

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More