elbow
/ˈɛl.bəʊ/noun
The bendable joint in the middle of the arm, connecting its upper and lower parts.
Example sentences
- “He scraped his elbow when he fell off the bike.”
- “Please take your elbows off the dinner table.”
As a verb it means to push with the joint: elbowing through a crowd. 'Elbow grease' means vigorous effort in cleaning.