from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. Present participle of signal.
- n. The sending of a biochemical signal
from The Century Dictionary and Cyclopedia
- n. The use of signals; in railroading, the business of controlling the traffic by means of signals.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. any nonverbal action or gesture that encodes a message
Sorry, no etymologies found.