noun
nut; threaded fastener
A hardware nut used together with a bolt or screw; common in mechanical, DIY, and engineering contexts.
ナットをレンチでしっかり締めた。
I tightened the nut firmly with a wrench.
このボルトに合うナットを探している。
I'm looking for a nut that fits this bolt.
noun
An edible nut. This sense points to ナッツ, which is the usual modern Japanese word for edible nuts; ナット in this meaning is much less common and may appear as a direct singular-style rendering.
See also: ナッツ
食べ物の意味では、ナットよりナッツと言うほうが普通だ。
For the food meaning, it is more usual to say ナッツ than ナット.