Some pizza slices

• Trivial Pursuit wedges, e.g.
• Intervals in boundary, closed with no U-turns
• Trivial Pursuit wedges, vis-à-vis the whole pie
• Parts of a small pizza, perhaps
• Generous portions of pie
• Certain musical intervals
• Large pie pieces
• Certain intervals in music
• A-to-F intervals

Wiktionary Word definitions in Wiktionary
n. (plural of sixth English)