The Collaborative International Dictionary
Signaled or Signalled
Signal \Sig"nal\, v. t. [imp. & p. p. Signaled or Signalled; p. pr. & vb. n. Signaling or Signalling.]
To communicate by signals; as, to signal orders.
To notify by a signals; to make a signal or signals to; as, to signal a fleet to anchor.
--M. Arnold.