Schuylkill

(sko̵̅o̅lkil′, -kəl)

river in SE Pa., flowing southeast into the Delaware River at Philadelphia: 130 mi (209 km)

Origin: < Du Schuilkil, lit., hidden channel < schuilen, to hide, skulk + kil, stream, kill

See Schuylkill in American Heritage Dictionary 4

A river, about 209 km (130 mi) long, of southeast Pennsylvania flowing generally southeast to the Delaware River at Philadelphia.
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