1. a hall for public lectures or discussions
2. a literary institution or association
3. a secondary school, especially in some European countries

Examples

• The famous author spoke at the local lyceum last night.
• The lyceum hosted weekly debates on current events.
• She joined the lyceum to discuss literature with other enthusiasts.
• The lyceum organized poetry readings every month.
• He graduated from the lyceum with honors.
• The lyceum building was renovated to accommodate more students.
• Many European countries have lyceum systems for secondary education.