ASTERN - In back of the boat, opposite of ahead.
ATHWARTSHIPS - At right angles to the centerline of the boat; rowboat seats are generally athwart ships.
AWEIGH - The position of anchor as it is raised clear of the bottom.
SCUPPERS - Drain holes on deck, in the toe rail, or in bulwarks or (with
drain pipes) in the deck itself.
SEA COCK - A through hull valve, a shut off on a plumbing or drain pipe
between the vessel's interior and the sea.
SEAMANSHIP - All the arts and skills of boat handling, ranging from
maintenence and repairs to piloting, sail handling, marlinespike work, and rigging.
SEA ROOM - A safe distance from the shore or other hazards.
SEAWORTHY - A boat or a boat's gear able to meet the usual sea conditions.
SECURE - To make fast.