prolusion /prə-, prō-looˈzhən or -lūˈ/

1. A preliminary performance, activity or display
2. An essay preparatory to a more solid treatise

proluˈsory /-sə-ri/ adjective

• reefings
• reef knot
• reef knots
• reef point
• reef points
• reefs
• reek
• reeked
• reekie
• reekier
• reekiest
• reeking
• reeks
• reeky
• reel
• re-elect
• re-elected
• re-electing
• re-election
• re-elects
• reeled
• reeler
• reelers
• re-elevate
• re-elevated