crow's foot

noun

1. (usually plural) A small wrinkle in the corner of an eye, emblematic of aging.

2. A triangular embroidery stitch.

3. A symbol, resembling a bisected equilateral triangle, used in database diagrams to indicate plurality.

4. A number of lines rove through a long wooden block, supporting the backbone of an awning horizontally.

5. A caltrop.

6. A device for supporting a tripod to prevent the legs from slipping.