Beside the door at floor level there is a small, flat, rectangular flap.

She smoothes the small flap of skin and makes a face.

A small flap of the bag and two tentacles covered the foil.

It may also refer to a small openable flap found in the side window on light aircraft.

There was a small flap in the bottom of the door, about three inches deep and nine wide.

The nostrils are placed far apart and preceded by small flaps of skin.

The nostrils are preceded by small, almost triangular flaps of skin.

In the darkness his fingers traced a small flap, but he could not push it open.

There's an opening covered by a small flap behind each nail.

The nostrils are divided by small, triangular flaps of skin in front.