tie down's Usage Examples:

The company also produces surfboard tailpads (deck grips), tie down roof racks, boardshorts, and a wide range of apparel, including snow wear.

"chicken lines" (around the exterior perimeter of the boat), equipment tie down, or floor lacing for self-bailing rafts.

Instead of a calf, the cowboy must catch and tie down a large steer (approximately 450 to 600 pounds).

saddle on a horse) and people (for example a watch on a wrist), or even to tie down people and animals, as on an apparatus for corporal punishment.

A tie down strap (also known as a ratchet strap, a lashing strap or a tie down) is a fastener used to hold down cargo or equipment during transport.

Synonyms:

downward; downwards; downwardly;

Antonyms:

up; upwardly; upward; upwards;