1 : a long stick with a padded piece at the top that fits under a person’s arm — usually plural
Note: People who have difficulty walking often use crutches to help them walk.
He’s able to walk short distances with crutches but prefers his wheelchair.
I was on crutches [=I was using crutches to walk] for six weeks after I broke my leg.
2 usually disapproving : something that a person uses too much for help or support
She eventually realized that alcohol had become a crutch. [=that she was drinking too much alcohol as a way of dealing with her problems]
3 British : crotch (the part of the body where the legs join together; also : the part of a piece of clothing that covers this part of the body)