Funnel: a cone-shaped utensil with a tube at the apex for conducting liquid or other substance through a small opening, as into a bottle, jug, or the like.
Funnel: a smokestack, especially of a steamship.
Funnel: a flue, tube, or shaft, as for ventilation.
Funnel: to concentrate, channel, focus or target: They funneled all income into research projects.
Funnel: to pour through or as if through a funnel.