poppet

Short definition from Wiktionary

Noun

1. 1
   An endearingly sweet or beautiful child.
2. 2
   A young woman or girl.
3. 3
   The stem and valve head in a poppet valve.
4. 4
   A doll (such as a voodoo doll) made in witchcraft to represent a person, used in casting spells on that person.
5. 5
   One of certain upright timbers on the bilge ways, used to support a vessel in launching.
6. 6
   An upright support or guide fastened at the bottom only.