n. 1 a violent or excited outburst often as a result of a sudden mental disturbance. 2 colloq. mental confusion. 3 US a brainwave. 4 a concerted intellectual treatment of a problem by discussing spontaneous ideas about it. brainstorming n. (in sense 4).
BRAINSTORM
Meaning of BRAINSTORM in English
Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012