Capsizing or keeling over occurs when a boat or ship is turned on its side or it is upside down in the water.
The coracle is a small, rounded, lightweight boat of the sort traditionally used in Wales, and also in parts of the West Country and in Ireland, particularly the River Boyne, and in Scotland, particularly the River Spey.
Initial stability is the resistance of a boat to small changes in the difference between the vertical forces applied on its two sides.
A kayak is a small, narrow watercraft which is propelled by means of a double-bladed paddle.
In watercraft, a racing shell (also referred to as just a fine boat (UK) or just shell) is an extremely narrow, and often comparatively long, rowing boat specifically designed for racing or exercise.
The term Seawaymax refers to vessels which are the maximum size that can fit through the canal locks of the St. Lawrence Seaway, linking the inland Great Lakes of North America with the Atlantic Ocean.
The Volvo Open 70 (sometimes referred to as a Volvo Ocean 70) is the former class of racing yachts designed for the Volvo Ocean Race.
The waterline is the line where the hull of a ship meets the surface of the water.