sideboy noun2 •One of an even-numbered group of seamen posted in two rows on the quarterdeck when a visiting dignitary boards or leaves the ship, historically to help (or even hoist) him aboard. •(US, informal) A small dresser; a drinks cabinet.He had a nice breath. Haig and Haig at least. ‘You've been at the sideboy again,’ I said. — 1940 formssideboys
