nut noun
1 food
ADJ. cashew, pistachio, etc. | chopped, salted
VERB + NUT crack, shell
NUT + NOUN oil
2 for screwing onto a bolt
VERB + NUT put on, screw on, tighten | loosen, remove, unscrew
You can also check other dicts: nut (English, 中文解释 ), wordnet sense, Collins Definition