nutshell

nutshell is a   Noun

Definition:

[1] The shell or hard external covering in which the kernel of a nut is inclosed.

[2] Hence, a thing of little compass, or of little value.

[3] A shell of the genus Nucula. To be, or 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." Macaulay.

Synonyms: