| abaft | at or toward the stern of a ship, or further back from a location. |
| aboard | onto or within a ship, or in a group. |
| above | a higher deck of the ship. |
| aft | toward the stern of a ship. |
| adrift | floating in the water without propulsion. |
| aground | resting on the shore or wedged against the sea floor. |
| ahull | with sails furled and helm lashed alee. |
| alee | on or toward the lee (the downwind side). |
| aloft | the stacks, masts, rigging, or other area above the highest solid structure. |
| amidships | near the middle part of a ship. |
| aport | toward the port side of a ship (opposite of "astarboard"). |
| ashore | on or towards the shore or land. |
| astarboard | toward the starboard side of a ship (opposite of "aport"). |
| astern | toward the rear of a ship (opposite of "forward"). |
| athwartships | toward the sides of a ship. |
| aweather | toward the weather or windward side of a ship. |
| aweigh | just clear of the sea floor, as with an anchor. |
| below | a lower deck of the ship. |
| belowdecks | inside or into a ship, or down to a lower deck. |
| bilge | the underwater part of a ship between the flat of the bottom and the vertical topsides |
| bottom (noun) | the lowest part of the ship's hull. |
| bottom (verb) | a submerged submarine hitting the seabed. |
| bow (or stem) | front of a ship (opposite of "stern") |
| centerline | an imaginary, central line drawn from the bow to the stern. |
| fore or forward | at or toward the front of a ship or further ahead of a location (opposite of "aft") |
| inboard | attached inside the ship. |
| keel | the bottom structure of a ship's hull. |
| leeward | side or direction away from the wind (opposite of "windward"). |
| on deck | to an outside or muster deck (as "all hands on deck"). |
| on board | somewhere on board the ship. |
| outboard | attached outside the ship. |
| port | the left side of the ship, facing forward (opposite of "starboard"). |
| starboard | the right side of the ship, when facing forward (opposite of "port"). |
| stern | the rear of a ship (opposite of "bow"). |
| topside | on the ship's main weather deck. |
| underdeck | a lower deck of a ship. |
| yardarm | an end of a yard spar below a sail. |
| waterline | where the water surface meets the ship's hull. |
| weather | side or direction from which wind blows (same as "windward"). |
| windward | side or direction from which wind blows (opposite of "leeward"). |
