noun
Etymology: versed from New Latin vers us turned (from past participle of Latin vertere to turn) + English -ed
: 1 minus the cosine of an angle
noun
Etymology: versed from New Latin vers us turned (from past participle of Latin vertere to turn) + English -ed
: 1 minus the cosine of an angle
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012