CB adjective 2noun 18forms 1 adjective2 •confined to barracks (a punishment in the army).‘Twenty days C.B.,’ said one. ‘Twenty years, more likely,’ said another. — 1974 •Initialism of chemical and biological. noun18 •(historical) The United States Navy hull classification symbol for a large cruiser. •Initialism of citizens' band. •Abbreviation of citizens' band radio. •Initialism of centre-back, a defensive position. •Initialism of continental breakfast. •Abbreviation of Companion of The Most Honourable Order of the Bath. •Initialism of cornerback. •Initialism of construction battalion. •Initialism of casus belli •Initialism of conduction band. •(UK) Initialism of confined to barracks. •(Singapore) Initialism of circuit breaker. •Initialism of competition best or championship best. •Initialism of centre of buoyancy. •Initialism of center back, a line marking the center on the back side of a piece of clothing. •Initialism of Cajal body. •Initialism of cruise boost. •(Singapore, Malaysia) Initialism of cheebai. formsCBs