The phrase "ship's boat" refers to a small boat that is carried on board a larger ship. Some synonyms for this term include dinghy, skiff, tender, launch, and lifeboat. A dinghy is a small, inflatable boat that is often used for recreational purposes, while a skiff is a flat-bottomed vessel that is commonly used for fishing or transportation. A tender is a smaller boat that is used to transport passengers or supplies to and from a larger vessel. A launch is a boat that is used for exploratory purposes or sightseeing, while a lifeboat is a type of vessel that is specifically designed to save lives in the event of an emergency.