Manikin
Part of speech: noun
Definition: A little man (sometimes as a term of endearment). a short person a life-size anatomical model used as a teaching aid
Mannequin
Part of speech: noun
Definition: A dummy, or life-size model of the human body, used for the fitting or displaying of clothesA jointed model of the human body used by artists, especially to demonstrate the arrangement of draperyAn anatomical model of the human body for use in teaching of e.g. CPRA person who models clothes