manikin

[man-i-kin] /ˈmæn ɪ kɪn/
noun
1.
a little man; dwarf; pygmy.
2.
mannequin.
3.
a model of the human body for teaching anatomy, demonstrating surgical operations, etc.
Also, mannikin.
Origin
1560-70; < Dutch manneken, equivalent to man man1 + -ken -kin. See mannequin
Can be confused
manikin, mannequin.
British Dictionary definitions for manikin

manikin

/ˈmænɪkɪn/
noun
1.
a little man; dwarf or child
2.
  1. an anatomical model of the body or a part of the body, esp for use in medical or art instruction
  2. Also called phantom. an anatomical model of a fully developed fetus, for use in teaching midwifery or obstetrics
3.
variant spellings of mannequin
Word Origin
C17: from Dutch manneken, diminutive of man
Word Origin and History for manikin
n.

1560s, "jointed figure used by artists," from Dutch manneken, literally "little man," diminutive of Middle Dutch man (see man (n.)). Sense and spelling often blended with mannequin.