cosh

Pronunciation

 * English:

Symbol

 * 1)  The hyperbolic function hyperbolic cosine.

Usage notes
The symbol cosh is prescribed by the ISO 80000-2:2019 standard. The symbol is also in use, and is especially favoured in French- and Russian-language texts.

Etymology 1
Probably from.

Noun

 * 1) A weapon made of leather-covered metal similar to a blackjack.
 * 2) A blunt instrument such as a bludgeon or truncheon.
 * 3)  The cane.

Verb

 * 1)  To strike with a weapon of this kind.

Adjective

 * 1)  cosy; snug

Noun

 * : your father