01 n. the front edge of an airfoil; same as Advancing edge, above.
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1.
the front edge of an airfoil; same as Advancing edge, above.(Aeronautics) Also: <er>Advancing edge</er> See: Advancing edge
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2.
the front edge of anything that moves; also used metaphorically, as the leading edge in art. See also cutting edge. See: cutting edge