If you use something, you do something with it in order to do a job or to achieve a particular result or effect .
cayuse
a small Native American pony used by cowboys
have its uses
If you say that being something or knowing someone has its uses , you mean that it makes it possible for you to do what you otherwise would not be able to do.
ill-use
to use badly or cruelly; abuse ; maltreat
use up
to finish (a supply); consume completely
over-use
to use excessively
Sarum use
the distinctive local rite or system of rites used at Salisbury cathedral in late medieval times