What kind of fruit is a peanut?

Question

What kind of fruit is a peanut?

Answer 1

its not a fruit at all it is actually considered a meat

Answer 2

it is a legume, part of the bean family

Answer 3

A legume.

Answer 4

EDIT: my mistake, it is indeed a legume rather than a nut.

Answer 5

It is a legume. The peanut is a nut in the culinary sense, but  the fruit of the peanut plant is a woody, indehiscent legume. Technically the peanut is a type of pea.