Толковый словарь английского языка - boom

I. verb Etymology: Middle English bomben, bummen, of imitative origin Date: 15th century intransitive verb to make a deep hollow sound, 2. to increase in importance, popularity, or esteem, to experience a sudden rapid growth and expansion usually with an increase in prices , to develop rapidly in population and importance , to increase greatly in size or number , transitive verb to cause to resound, to cause a rapid growth or increase of ; boost, to hit or kick forcefully , II. noun Date: 15th century a ~ing sound or cry, a rapid expansion or increase: as, a general movement in support of a candidate for office, rapid settlement and development of a town or district, a rapid widespread expansion of economic activity, an upsurge in activity, interest, or popularity , III. noun see: beam Date: 1627 a long spar used to extend the foot of a sail, 2. a chain or line of connected floating timbers extended across a river, lake, or harbor (as to obstruct passage or catch floating objects), a temporary floating barrier used to contain an oil spill, 3. a long beam projecting from the mast of a derrick to support or guide cargo, a long more or less horizontal supporting arm or brace (as for holding a microphone or for supporting an antenna), a spar or outrigger connecting the tail surfaces and the main supporting structure of an aircraft