Originally a seaman who, not wanting to work, preferred to exist by hanging around ports and harbors and living on the charity of others. Now more generally describing any loafer around the waterfront who prefers not to work.
A derelict seaman found unemployed on the waterfront, especially in a foreign country (seaman without a ship).
A form of movable insulation that uses tiny polystyrene beads blown into the space between two window panes.
A point of sail where the boat is sailing at a right angle to the wind (wind coming from abeam). A beam reach is usually the fastest point of sail. A beam reach is a point of sail between a broad reach and a close reach.
An investor who believes share prices are going to fall. He therefore sells shares, sometimes.
The purchase of a call with a high strike price against the sale of a call with a lower strike.