- Empty water from a boat. 2. Rescue someone from an emergency. 3. Jump from an airplane using a parachute. 4. Abandon a responsibility.
Examples:
- They were counting on an inheritance to bail them out.
- The company was not doing well, so John decided to bail out.
Origin: Early 1600s (sense 1); 1900s (sense 2); c. 1930 (sense 3)