What is the meaning of Poppet?

An endearingly sweet or beautiful child.

A young woman or girl.

The stem and valve head in a poppet valve.

A doll (such as a voodoo doll) made in witchcraft to represent a person, used in casting spells on that person.

One of certain upright timbers on the bilge ways, used to support a vessel in launching.

An upright support or guide fastened at the bottom only.

second-person plural subjunctive I of poppen

Source: wiktionary.org