What is a 'slot receiver'

Slot receiver slot reciever Josh McCown the slot receiver? Yes, it really happened 15 years ago today (via NFL slot bonanza hd The slot is the area between the last offensive lineman on the line and the wide receiver that is split out to that end of the field

slot machine 101 Slot Receiver Ein Slot Receiver positioniert sich typischerweise zwischen dem Offensive Tackle und einem weiter außen aufgestellten