[ slot-bak ]
/ ˈslɒtˌbæk /

noun Football.

an offensive back who lines up about one yard behind the gap in the line between a tackle and an end stationed a distance outside of the tackle.
the position played by this back.

Origin of slotback

First recorded in 1960–65; slot1 + back1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019