Dummy
Part of speech: verb
Definition: To make a mock-up or prototype version of something, without some or all off its intended functionality.
Part of speech: noun
Definition: A silent person; a person who does not talk. An unintelligent person. A figure of a person or animal used by a ventriloquist; a puppet. Something constructed with the size and form of a human, to be used in place of a person. A deliberately nonfunctional device or tool used in place of a functional one. A pacifier. The partner of the winning bidder, who shows his or her hand. A bodily gesture meant to fool an opposing player in sport; feint. A word serving only to make a construction grammatical. An unused parameter or value.
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