Definition of "CB"
CB
noun
countable and uncountable, plural CBs
(military, nautical) Initialism of battlecruiser.
(military) Initialism of construction battalion.
(Britain military) Initialism of confined to barracks.
(soccer) Initialism of cornerback.
(cytology) Initialism of Cajal body.
(Singapore) Initialism of circuit breaker.
(speedrunning, initialism) Initialism of cruise boost.
adjective
proper noun
(Canada) Initialism of Cape Breton.