cone of confusion

== English == === Noun === cone of confusion (plural cones of confusion) (aviation) A region directly above a VOR navigation station where the aircraft's navigation receiver experiences signal ambiguity. (aviation) An area near a magnetic pole where compass readings become unreliable due to the Earth's magnetic field lines converging vertically. (biology) A cone-shaped region originating midway between an organism's two ears, and radiating outwards, where a sound's location is indeterminate.