Dictionary

Concave structure made of wood, iron or some other material, capable of floating in the water and that serves as a means of transport.

Measurement reflecting the widest part of a ship.

Work made of stone laid on the seabed to form a defence dyke against swell, to serve as the foundations of a quay, or to protect the base of some other structure.

Floating body secured to the bed of the sea, a lake, a river etc. which is placed as a signal, especially to indicate a dangerous place or a submerged object.