to narrow / to taper
verb/ɐfuniˈlaɾ/medium
a·fu·ni·lar
Definition
To become or make something become progressively narrower, like a funnel; to gradually reduce the number or scope of something.
The valley narrows as you go north.
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Common collocations
to narrow downto funnelto taper
Etymology
De 'funil' + sufixo verbal '-ar'.