1. The evening before All Saints' Day; often devoted to pranks played by young people
   - Halloween, Hallowe'en

Type of: day

• other than
• otherness
• others
• otherwise
• otherworld
• otherworldliness
• otherworldly
• Othman I
• Otho
• Otho I
• Otho of Lagery
• othonna
• otic
• otic ganglion
• Otides
• Otididae
• otiose
• otiosity
• Otis
• Otis Skinner
• Otis tarda
• otitis
• otitis externa
• otitis interna
• otitis media