Real Dictionary

white pepper
uncountable noun: White pepper is pepper which has been made from the dried insides of the fruits of the pepper plant.

white pepper in American English
a condiment prepared from the husked dried berries of the pepper plant, used either whole or ground
pepper ground from the dried seeds of the husked fruits of the pepper plant

white pepper in British English
noun: a condiment, less pungent than black pepper, made from the husked dried beans of the pepper plant Piper nigrum, used either whole or ground