Core
To core is to remove the center of a fruit or vegetable, which may contain a pit, seeds, or fibrous material.
Fun related videos
Cooking & Culinary Tips : How to Peel & Core Apples

Raw Food Spotlight: How to Cut and Core a Cabbage

Raw Food Spotlight: How to Core, Julienne and Dice a Bell Pepper
-
Cooking & Culinary Tips : How to Peel & Core Apples
Source: eHow
-
Raw Food Spotlight: How to Cut and Core a Cabbage
Source: Living Light
-
Raw Food Spotlight: How to Core, Julienne and Dice a Bell Pepper
Source: Living Light