1. plural of grail; cups or chalices, especially those considered sacred or highly sought after
Usage: often capitalized when referring to the Holy Grail
2. things that are eagerly sought but difficult to obtain or achieve
Usage: figurative use

Examples

• The museum displayed several ancient grails from different civilizations.
• Archaeologists have searched for centuries for these legendary grails.
• The Holy Grail is one of the most famous grails in Christian tradition.
• For many scientists, finding a cure for cancer represents one of the ultimate grails.
• The treasure hunters sought multiple grails hidden throughout the castle.
• These technological breakthroughs are the grails of modern innovation.