Meaning of NUT in English

NUT

( n. )

A perforated block (usually a small piece of metal), provided with an internal or female screw thread, used on a bolt, or screw, for tightening or holding something, or for transmitting motion. See Illust. of lst Bolt.

Webster's Revised Unabridged English Dictionary.      Пересмотренный полный словарь английского языка Webster.