funnel (Noun) — A conical shape with a wider and a narrower opening at the two ends.
funnel (Noun) — A conically shaped utensil having a narrow tube at the small end; used to channel the flow of substances into a container with a small mouth.
funnel (Noun) — (nautical) smokestack consisting of a shaft for ventilation or the passage of smoke (especially the smokestack of a ship).
funnel (Verb) — Move or pour through a funnel. ex. "funnel the liquid into the small bottle"
funnel (Verb) — Proceed through a narrow gap or passageway. ex. "Expect delays where the traffic funnels down to one lane"