Meaning of COLLAPSE in English

COLLAPSE

( v. i. )

To fall together suddenly, as the sides of a hollow vessel; to close by falling or shrinking together; to have the sides or parts of (a thing) fall in together, or be crushed in together; as, a flue in the boiler of a steam engine sometimes collapses.

Webster's Revised Unabridged English Dictionary.      Пересмотренный полный словарь английского языка Webster.