noun

• (slang) An attractive young woman.
  "Some fine day we may have the country raised, and the gendarmes down upon us from Strasburg, and all owing to your pretty doll, with her cunning ways of coming over you."
• (US, Australia, slightly dated, Scotland) A term of endearment: darling, sweetheart.
  ""They didn't sell cigarettes where you were, doll?" Palmer asked."
• (US, slightly dated) A good-natured, cooperative or helpful person.
  "Won't you be a doll and fetch me a glass of water?"
• (rail transport) A short signal post mounted on a bracket mounted on the main signal post, or on a signal gantry.
  "The signals are on a three-doll bracket post; one doll carries two [signal] arms, one above the other."

verb

• (UK, transitive) To place a barrier in front of (a section of the course that is to be omitted from a horse race).

noun

• (US, obsolete) A dollar.

verb

• (transitive, obsolete) To warm moderately; to make tepid; to mull.