¦ ̷ ̷ ¦ ̷ ̷ - noun
: sudden severe turbulence occurring in cloudless regions that causes violent jarring or buffeting of aircraft passing through
¦ ̷ ̷ ¦ ̷ ̷ - noun
: sudden severe turbulence occurring in cloudless regions that causes violent jarring or buffeting of aircraft passing through
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012