Solutions A ship with two or three masts and a four-sided sail on each has 7 entries with similar clues
- yawlSailing vessel with two masts
- dhowSailing ship with one or two masts
- barqueA sailing ship with three masts
- tetragonFour-sided geometrical figure with two parallel sides
- trapeziumFour-sided geometrical figure with two parallel sides
- brigantineA sailing ship with two masts
- quadrilateralFour-sided geometrical figure with two parallel sides