Full Idea
The term 'prototype' is used ambiguously to designate the most typical members of a category, and the representation of a category. (I use the term in the second sense).
Gist of Idea
The term 'prototype' is used for both typical category members, and the representation
Source
Edouard Machery (Doing Without Concepts [2009], 4.2.1 n25)
Book Reference
Machery,Edouard: 'Doing Without Concepts' [OUP 2009], p.83