1. The first day of April which is celebrated by playing practical jokes
   - April Fools', All Fools' day

Type of: day

Part of: Apr, April

• line spectrum
• line squall
• line storm
• line triple
• line worker
• line-at-a-time printer
• line-drive double
• line-drive single
• line-drive triple
• line-out
• line-shooter
• line-shooting
• lineage
• lineal
• lineally
• lineament
• linear
• Linear A
• linear accelerator
• linear algebra
• Linear B
• linear equation
• linear leaf
• linear measure
• linear operator