Stub

In computer programming, a method stub
In computer networking, a stub network
Stub (circuit), a calculated length section of transmission line used to match impedance in transmission lines
A piece of work of a greater calculation in distributed computing
In transport, a short railway or bus line
An unequal first or last interest calculation period, usually as a part of a swap contract
A pay stub, usually a receipt or record that the employer has paid their employee
A ticket stub, which, once a ticket is collected, is usually the remaining end of the ticket
Ambrosius Stub, a Danish poet