Stateroom – your cabin or suite
Berth – your bed or bunk in your stateroom
Bow – the front of the ship
Stern – the back of the ship
Port – the left side of the ship when facing the Bow (front)
Starboard – the right side of the ship when facing the Bow (front)
Muster Station – every passenger is assigned a 'muster station' close to their stateroom where you gather (with your life jacket) in the event of an emergency. A muster drill will be called at the start of the cruise so that the staff can go through the emergency procedures with you. You need to attend and pay attention!
Bridge – navigational control room of the ship which is usually off-limits to passengers
Galley – the ship's kitchen
Lido Deck – the deck where to pool is
Deck Plan – the map of the cruise ship
Port of Call – a designated stop on your itinerary
Gangway – the ramp you use to embark/disembark the ship
Wake on a cruise ship – the trail in the water behind the ship is known as the ship's "wake"
Dock vs Tender – next to each Port of Call on the itinerary it will state 'dock' or 'tender'. 'Dock' is when the ship will dock next to land and you walk straight off into port; a 'tender' is when the ship will anchor in a bay close to the port and you will be transferred to land on a smaller vessel.
Sea Day – When the ship does not dock or visit a port of call, remaining out at sea all day
Port Expenses – each port of call will levy a charge based on local taxes and fees which are charged to the ship and in turn passed on to customers. These fees are not usually included in the cruise price.
Shorex – abbreviation of 'shore excursions' – you can book these through the ship or independently.
Roll – the side to side motion of the ship
Cruise Director – "the face of the cruise", who is in charge of hosting/emceeing events
Purser – the man or woman that oversees all financial transactions on board the ship