noun. One who or that which makes signals; a person or an instrument employed in signaling.

noun. One who signals.

noun. A device that sends a signal.

noun. someone who communicates by signals

"Especially, I suspect, a signaler to law clerks who have just come off journals where obsessive BB compliance was expected, and are now exposed to a constant stream of briefs with random or incoherent citation formats."

Lackawanna  aille  apercevoir  attaquer  commencer  

flagman  operator  sentinel  signalman  trumpeter