Definition of Kernel

Noun

• the choicest or most essential or most vital part of some idea or experience
  "the gist of the prosecutor's argument"
  "the heart and soul of the Republican Party"
  "the nub of the story"
  substance core center centre essence gist heart - heart and soul inwardness marrow meat nub pith sum - nitty gritty
• a single whole grain of a cereal
  "a kernel of corn"
  
• the inner and usually edible part of a seed or grain or nut or fruit stone
  "black walnut kernels are difficult to get out of the shell"
  meat

• Scrabble® score of the kernel (10)
• Word Chums® score of the kernel (13)
• Words With Friends® score of the kernel (12)