funnel

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funnel

1. a hollow utensil with a wide mouth tapering to a small hole, used for pouring liquids, powders, etc., into a narrow-necked vessel
2. a smokestack for smoke and exhaust gases, as on a steamship or steam locomotive

funnel

[′fən·əl]
(design engineering)
A tube with one conical end that sometimes holds a filter; the function is to direct flow of a liquid or, if a filter is present, to direct a flow that was filtered.
(naval architecture)
A smokestack of a ship.

funnel

funnel
The safe-approach area centered on the ILS (Instrument Landing System) glide path and normally considered to extend 0.5° above and below and 2° left and right. Aircraft inside the funnel should be able to land.