"Set sail" is a nautical term meaning to begin a journey or voyage on a boat or ship, often specifically referring to the act of hoisting sails to catch the wind and depart. It signifies leaving a port, embarking on a trip, or starting a new endeavor.

Key Details regarding "Set Sail":
Action: It literally means starting a sea voyage.

Origin: Dating from the early 1500s, it originally meant putting sails in position to propel the boat.

Context: While literal (leaving port), it is also used figuratively to mean starting a new project or life phase.

Specific Sailing Usage:
Make sail: Similar to set sail, this refers to putting sails in position.

Bear-away set (Jibe Set): A racing maneuver involving turning the boat away from the wind while rounding a mark.