UCL

noun

ˌyü-ˌsē-ˈel 

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

Medical Definition

UCL

noun

ˌyü-ˌsē-ˈel 

: 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