shipboard

noun

1. Archaic.
   1. the deck or side of a ship.
   2. the situation of being on a ship.

adjective

2. done, conducted, or designed for use aboard ship, especially during an ocean voyage: a shipboard romance; a shipboard telephone.

Idioms

3. on shipboard, aboard a seagoing vessel.

noun

1. (modifier) taking place, used, or intended for use aboard a shipa shipboard encounter
2. on shipboard on board a ship

n.

also ship-board, “side of a ship,” c.1200, from ship (n.) + board (n.2).