I looked at a lot of sites to find out, and none were really clear. In the end, my hubby and I decided it would be an unshelled nut.

: Joy dot: It's Friday! And the sun is
: out.

: I think it would have to be a shelled
: nut, because some peanuts in the
: shell have only one nut inside,
: and some have three.
: Allison