The usual sailors’ abbreviation of BETWEEN-DECKS sb.
1816. Tuckey, Narr. Exped. R. Zaire, ii. (1818), 64. At night our visitors were satisfied with a sail in the ’tween decks.
1829. Marryat, F. Mildmay, ii. Another ladder … brought us to the ’tween-decks.
1892. Labour Commission Gloss., ’Tween Decks,… used to denote the inside deck immediately below the main or upper deck.
