Green’s Dictionary of Slang

bridal suite n.

[it is seen as encouraging prison homosexuality]

(N.Z. prison) a two-man cell.

D.F. MacKenzie While We Have Prisons 70: The whole problem of homosexuality came into prominence when prison populations rose beyond the single occupant cell capacity. With great reluctance two-man cells were officially approved. In Mt Eden they became known as ‘bridal suites’. [Ibid.] 95: bridal suite cell containing two prisoners.