sign-on: Meaning and Definition of

sign-on

Pronunciation: (sīn'on", -ôn"), [key]
— n.
  1. the opening salutation, station identification, etc., at the beginning of the broadcast day.
  2. an act or instance of signing on.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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