Other forms: stenciled; stencilled; stencils; stencilling; stenciling
A stencil is a stiff sheet of material with a design or image cut out of it. When you apply ink or paint to the stencil, the design is printed on the surface below.
Number and letter stencils make it easier to paint your new boat's name on its hull or to put your address on your mailbox. Stencil can also be a verb. You might stencil glow-in-the-dark stars all over your bedroom ceiling. Stencil comes from the Middle English stencellen, "decorate with bright colors."