1. to flatten or compress something completely
Usage: informal
2. to make a flat landing, especially of an aircraft landing with its landing gear up
Usage: aviation

Examples

• The car was completely pancaked after the accident.
• The building pancaked during the earthquake.
• The pilot pancaked the plane in the emergency landing.
• The cardboard box got pancaked under the heavy books.
• The aircraft pancaked on the runway due to landing gear failure.
• The structure pancaked floor by floor during the demolition.