Heave to
Definition 1 of 2
Pro Tip 1/3Nautical Origin
Originally a sailing term, used mainly in marine contexts. 
During maneuvers, we were taught how to heave to.
Pro Tip 2/3Emergency Action
Used for safety during storms or to avoid danger. 
To avoid capsizing, they had to heave to until the squall passed.
Pro Tip 3/3Stability at Sea
When heaving to, the ship maintains a stable position in the water. 
Heave to and maintain this position until further notice.