Fasteners And Hardware Terminology

noun a person who is eccentric or fanatical

• The mechanic used a wingnut to secure the propeller onto the aircraft.
• Can you pass me that wingnut over there? I need it for this project.
• I can't believe that wingnut is still causing trouble.
• She's a real wingnut when it comes to organizing her schedule.

noun a hard-shelled nut that grows on oak trees

• The acorn nut is a type of fastener commonly used in construction and engineering.
• Make sure to tighten the acorn nut securely to prevent any loose parts.
• I can't find the right size acorn nut for this bolt, do you have any extras?
• She always keeps her ideas tightly secured like an acorn nut.