Celebration dedicated to a saint

FEASTDAY

This annual observance often includes special meals or church services and marks a holy figure’s commemoration in many Christian traditions.

This clue points to "FEASTDAY," a term for a religious observance honoring a specific saint. The word "feast" here doesn’t refer to a meal but to a holy day marked by celebration in many Christian traditions, like St. Patrick’s Day. The answer combines "feast" and "day" directly, with no hidden wordplay—just a straightforward definition. Think of it as the calendar date set aside for a saint’s remembrance.