1. a sailing vessel equipped with an auxiliary motor engine for propulsion when there is insufficient wind
Usage: nautical; also written as motor-sailer or motor sailer

Examples

• The motorsailer was ideal for cruising coastal waters where wind conditions were unpredictable.
• With its diesel engine, the motorsailer could reach the harbor even on a calm day.
• Many cruising sailors prefer a motorsailer because it combines the efficiency of sail with the reliability of an engine.
• The motorsailer's design allows it to operate as either a sailboat or a motorboat depending on conditions.
• Charter companies often offer motorsailers to experienced sailors who want flexibility in their voyages.