Jac·u·la·tor
  1. One who throws or casts. [R.]
  2.  Zool. The archer fish (Toxotes jaculator).
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  Arch·er fish Zool. A small fish (Toxotes jaculator), of the East Indies; -- so called from its ejecting drops of water from its mouth at its prey. The name is also applied to Chætodon rostratus.
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