1º_ Walnut fruit, despite not being a nut in the botanical sense. 2º_ Type of nuts with a hard covering, which derives from an ovary enclosed by a thalamus that grows around it. From the Latin nux, nucis. 3º_ It is usually called colloquially to small and spheroid elements, similar to these fruits. 4º_ Short way of naming the Adam's apple ("Adam's apple").
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