Related Clues:
- Hotel keycard opening
- Tab holder
- Hole for a coin
- Time period on a broadcast schedule
- One-armed bandit, for short
- ___ machine (casino fixture)
- 8:00-9:00 on a schedule, e.g
- Machine displaying fruit symbols
- It may be quarter-sized
- Atlantic City machine type
- Opening in a schedule
- Circuit board setting
- Schedule segment
- Opening for an ATM card
- Datebook opening