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from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An acclaimed expert, one of the foremost experts, a luminary.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a celebrity who is an inspiration to others


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  • Related to "leading-mark," a nautical term that referred to "one of 'those objects which, kept in line or in transit, guide the pilot while working into port, as trees, spires, buoys, etc.'" (from OED).

    December 3, 2007