noun
: the hyperbolic function that is analogous to the cotangent and defined by the equation coth x = cosh x/sinh x — abbreviation coth
noun
: the hyperbolic function that is analogous to the cotangent and defined by the equation coth x = cosh x/sinh x — abbreviation coth
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012