ˈ ̷ ̷ˌ ̷ ̷ noun
: a sighting device for aiming bombs ; specifically : a combined optical aiming and calculating mechanism and gyroscopic control for dropping aerial bombs from high altitudes
ˈ ̷ ̷ˌ ̷ ̷ noun
: a sighting device for aiming bombs ; specifically : a combined optical aiming and calculating mechanism and gyroscopic control for dropping aerial bombs from high altitudes
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012