nouns
usually large hard-shelled seed
is a type of (narrower)
a small hard fruit
a small (usually square or hexagonal) metal block with internal screw thread to be fitted onto a bolt
is a part of
a fastener made by screwing a nut onto a threaded bolt
is a type of (narrower)
a solid piece of something (usually having flat rectangular sides)
"the pyramids were built with large stone blocks"
a whimsically eccentric person
someone who is so ardently devoted to something that it resembles an addiction
"a golf addict"; "a car nut"; "a bodybuilding freak"; "a news junkie"
one of the two male reproductive glands that produce spermatozoa and secrete androgens
"she kicked him in the balls and got away"