A unit of weight 2,204.6 pounds (1,000 kilograms). … [Read more...]
META CENTRE
That point in a ship above which the centre of gravity must by no means be placed; because, if it were, the vessel would be liable to overset. The meta-centre, which has also been called the shifting-centre, depends upon the situation of the centre of cavity; for it is that point where a vertical line drawn from the centre of cavity cuts a line passing through the centre of gravity, and is perpendicular to the keel. … [Read more...]
Messman
A member of the steward's department who served meals to officers and crew. … [Read more...]
Messenger
A light line used for hauling over a heavier rope or cable. … [Read more...]
MEDICO
Medical advice. Exchange of medical information and recommended treatment for sick or injured persons where treatment cannot be administered directly by prescribing medical personnel. … [Read more...]
MEDEVAC
Evacuation of a person for medical reasons. … [Read more...]
Mean Draft
The average of the drafts measured at the bow and the stern. … [Read more...]
MAYDAY
The international radiotelephony distress signal, repeated three times. … [Read more...]
Masthead light
The white running light carried by steam vessel underway on the foremast or in the forepart of the vessel. … [Read more...]
Masthead
The top part of the mast. … [Read more...]