( n. )
The distance from a point in a curve to the chord; also, the versed sine of an arc; -- so called from its resemblance to an arrow resting on the bow and string.
( n. )
The distance from a point in a curve to the chord; also, the versed sine of an arc; -- so called from its resemblance to an arrow resting on the bow and string.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012