nut

(noun) usually large hard-shelled seed.

(noun) Egyptian goddess of the sky. Synonyms: Nut.

(noun) a small (usually square or hexagonal) metal block with internal screw thread to be fitted onto a bolt.

(noun) half the width of an em. Synonyms: en.

(noun) a whimsically eccentric person. Synonyms: crackpot, crank, nut case, fruitcake, screwball.

(noun) someone who is so ardently devoted to something that it resembles an addiction. Synonyms: addict, freak, junkie, junky. Examples: "A golf addict." "A car nut." "A bodybuilding freak." "A news junkie."

(noun) one of the two male reproductive glands that produce spermatozoa and secrete androgens. Synonyms: testis, testicle, orchis, ball, ballock, bollock, egg. Example: "She kicked him in the balls and got away."

(verb) gather nuts.