noun

• (food, loosely) Any of various hard-shelled seeds or hard, dry fruits from various families of plants.
  "There are many sorts of nuts: peanuts, cashews, pistachios, Brazil nuts and more."
• (food, loosely) Any of various hard-shelled seeds or hard, dry fruits from various families of plants.
• (hardware) A piece of hardware, typically metal and typically hexagonal or square in shape, with a hole through it having internal screw threads, intended to be screwed onto a threaded bolt or other threaded shaft.
  "As the bolt tightens into the nut, it pulls the tenon on the side rail into the mortise in the bedpost and locks them together. There are also some European beds that reverse the bolt and nut by setting the nut into the bedpost with the bolt inserted into a slotted area in the side of the rail."
• (slang) The head. [from 19th c.]
  "Off one's nut—crazy; mad. S. Nut is a slang term for the head."

verb

• (mostly in the form "nutting") To gather nuts.
  "I will no more a-nutting go ; That journey caused all this woe."
• (UK, transitive, slang) To hit deliberately with the head; to headbutt.
  "One night, we were fumbling each other out by the toilets when a Rocker in full leathers came out of the Gents and, without breaking stride or saying a word, nutted me square between the eyes. I went down as though shot..."
• (slang, mildly vulgar) To orgasm; to ejaculate.
  "I got a bitch that suck my dick 'til I nut"
• (slang) To hit in the testicles.

intj

• (Scotland, colloquial) No.
  "Did you like them boys? I goes. Nut. She shook her hair. Neither? Nut. Right townies."

name

• (UK, historical) Initialism of National Union of Teachers.