Crow's foot

You must get a brown gown, and a white apron, and a mob cap, and we must make you a few wrinkles, and a little of the crowsfoot at the corner of your eyes, and you will be a very proper, little old woman.

The Food and Drug Administration says it's an effective temporary treatment for crow's feet, the wrinkles that form next to aging eyes.

The crow's-foot notation similarly represents relationships.

Each crow's foot in your ER diagram indicates the need for a foreign key.

My foreman with his faked assistant had littered the place with all my apparatus, my bellbox, my crowsfoot, the V-drills, the rods, and the weight, but Malone insisted that we disregard all that and descend ourselves to the lowest level.