from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Nautical The edge of a sail that faces the wind.
  • noun The front edge of an airplane propeller blade or wing.
  • noun The foremost position in a trend or movement; the vanguard.
  • noun Someone or something occupying such a position.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Aeronautics) the front edge of an airfoil; same as advancing edge, above.
  • noun the front edge of anything that moves; also used metaphorically, . See also cutting edge.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun aeronautics The frontmost edge of a wing or other airfoil of an aircraft; sometimes contains slots or slats
  • noun by extension The foremost part of a trend etc; a vanguard
  • noun At the forefront of practice or technology, contrast with bleeding edge

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

  • noun forward edge of an airfoil


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