Meaning of “funnel” - Learner’s Dictionary

funnel

noun [ C ] uk us /ˈfʌnəl/
LIQUID

a tube with a wide part at the top that you use to pour liquid or powder into something that has a small opening

SMOKE

a metal pipe on the top of a ship or train that smoke comes out of

(Definition of “funnel” from the Cambridge Learner’s Dictionary © Cambridge University Press)