dispatch box

noun
variants: or dispatch case

Definition of dispatch box

1 : an oblong box or case usually with a lock for carrying dispatches or other papers
2 chiefly British : a stiff case (as of metal) in the style of a briefcase
3 Dispatch Box or dispatch box, British : a box used as a lectern for officials addressing the House of Commons The Chancellor is still pinning his faith on business. Every time he's stood at the Dispatch Box, he's announced further corporation tax cuts …— Robert Colvile, The (London) Telegraph, 20 Mar. 2013