User blog comment:Eeneend/What's a Bionicle?/@comment-433902-20090903191530

A "Bionicle" mostly refers to a Bionicle character or being. Therefor, anything which appears in canon or fanon Bionicle story is a Bionicle.

However, the word "BIONICLE, means "Biologocal Chronicle". So, logically, a "Bionicle" is a biological chronicle. Mata Nui (The BIONICLE Wiki Bureaucrat)