smalldoor

noun
UK /ˈsmɔːl.dɔː/
US /ˈsmɔːl.dɔːr/

A smalldoor is a little door that is smaller than a normal door.

The mouse ran through the smalldoor at the bottom of the wall.


OTHER MEANINGS

2. A small opening in a fence or wall for pets or small animals to pass through.

The cat slipped out through the smalldoor in the garden fence.

3. A miniature door on a toy house, dollhouse, or model building.

She painted the smalldoor of her dollhouse bright red.

4. A small compartment door, such as one on a cabinet or mailbox.

He opened the smalldoor of the mailbox to check for letters.

5. A figurative term for a modest or limited opportunity to enter somewhere.

Learning a new skill can be a smalldoor to a better job.