Noun

1. A column of wood or steel or concrete that is driven into the ground to provide support for a structure
2. One of two stout poles with foot rests in the middle; used for walking high above the ground
3. Long-legged three-toed wading bird of brackish marshes of australia
4. Long-legged three-toed black-and-white wading bird of inland ponds and marshes or brackish lagoons