forewoman

1. A woman who serves as the leader of a work crew, as in a factory.
2. A woman who chairs and speaks for a jury.

noun

Someone who directs and supervises workers: boss, director, foreman, foreperson, head, manager, overseer, superintendent, supervisor, taskmaster, taskmistress. Informal straw boss. Slang chief. See over/under.

The noun has 2 meanings:

Meaning #1: a woman who is foreperson of a jury
  Synonym: forelady

Meaning #2: a woman in charge of a group of workers