cat door

noun

1. a small door or flap in a larger door through which a cat can pass

Example Sentences

The same thing can be achieved with cabinetry, by adding a cat door that opens to a concealed litter box in a base cabinet.

From Seattle Times

Her “chief feline officer” orange tabby Serena enjoys a black gable roof catio connected by a 30-foot elevated tunnel to a wall cat door in her dining room.

From Seattle Times

It also has a cat door, covered with faux bamboo and tiki flair, for Crow’s cat, Darth Vader.

From Seattle Times

Gelb’s has a heavy-duty door pull near the top that helps with the mind- and limb-bending contortions he specializes in, and a cat door near the bottom through which his characters sometimes escape.

From New York Times

You don’t want these devices to activate in the presence of your own cat, obviously, so you will have to turn them off whenever the cat wants to go outside—thus negating the convenience of the cat door.

From Slate