1. plural of almanack; annual publications containing calendar information, astronomical data, weather forecasts, and other useful facts and statistics.
Usage: chiefly British spelling; American English typically uses 'almanacs'; often historical or specialized reference works

Examples

• The farmer consulted the old almanacks to plan his planting schedule.
• Eighteenth-century almanacks provided essential information about tides and moon phases.
• Libraries often keep historical almanacks as valuable reference materials.
• The nautical almanacks helped sailors navigate by the stars.
• She collected vintage almanacks from different countries and centuries.