Nut"shell` (?), n.
The shell or hard external covering in which the kernel of a nut is inclosed.
Hence, a thing of little compass, or of little value.
A shell of the genus Nucula.
To be, ∨ lie, in a nutshell, to be within a small compass; to admit of very brief or simple determination or statement. "The remedy lay in a nutshell."
© Webster 1913.