funnel

A conical shape with a wider and a narrower opening at the two ends.

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.

(nautical) smokestack consisting of a shaft for ventilation or the passage of smoke (especially the smokestack of a ship).

Move or pour through a funnel.

“funnel the liquid into the small bottle”