{adv. phr.}, {informal} In a few words; briefly, without telling all about it. * /We are in a hurry, so I'll give you the story in a nutshell./ * /In a nutshell, the car is no bargain./ Compare: IN SHORT.
IN A NUTSHELL
Meaning of IN A NUTSHELL in English
Slang English vocab. Английский сленговый словарь. 2012