kill noun, often capitalized
Definition of kill: channel, creek —used chiefly in place names in Delaware, Pennsylvania, and New York
Origin and Etymology of kill: Dutch kil
Early settlers and their descendants often "Batavianized" names for geographical locations, … Kill, meaning stream or channel, wyck meaning district, (or its English equivalents wick and wich), and hook meaning point are often seen.
Quelle: primidi.com | Toponymy of New Netherland
Kill Van Kull
Separating Bayonne and Staten Island. From the Middle Dutch word kille, meaning riverbed or water channel. Likely evolved from Achter Col, as in kille van kol, or channel from the neck, its spellings including Kill von Cull, Kille van Cole, Kill van Koll
Quelle: ebenda - List of Place Names - Kill Van Kull