'Shipboard' definitions:
Definition of 'shipboard'
(from WordNet)
adjective
Casual or ephemeral as if taking place on board a ship; "shipboard romances"
Definition of 'Shipboard'
From: GCIDE
- Shipboard \Ship"board`\, n. [Ship + board. See Board, n., 8] A ship's side; hence, by extension, a ship; -- found chiefly in adverbial phrases; as, on shipboard; a shipboard. [1913 Webster]