plural UCLs
: ulnar collateral ligament
Pitchers who need UCL reconstruction often lack internal rotation in their shoulder …Matt McCarthy

Word History

First Known Use

1992, in the meaning defined above

Time Traveler
The first known use of UCL was in 1992

Dictionary Entries Near UCL

Cite this Entry

“UCL.” Dictionary, Merriam-Webster, Accessed 2 Dec. 2023.

Medical Definition

: ulnar collateral ligament
The UCL, or ulnar collateral ligament, can be found on the inside of the elbow and it, along with the lateral collateral ligament, connects the humerus to the ulna.Lindsey Sillhite, The Chicago Daily Herald
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