The Core Practice
At the conclusion of the wedding ceremony (after the groom gives the ring to the bride), the groom breaks a glass by stepping on or striking it. The glass shatters, and the guests respond with “Mazel tov!”
The Meaning: Remembering Jerusalem
The breaking of glass is fundamentally a memorial to the destruction of the Temple and Jerusalem. The source is Psalm 137:5–6: “If I forget you, O Jerusalem, may my right hand lose its dexterity. Let my tongue cleave to my palate if I do not remember you, if I do not raise Jerusalem during my greatest joy.”
Even at the moment of greatest personal joy—marriage—we are commanded not to forget the collective sorrow of the Jewish people. The broken glass is a deliberate interruption of pure celebration, a physical reminder that our joy is incomplete without the restoration of Jerusalem.
Historical Context & Practice Variations
Broader mourning customs:
The glass-breaking is part of a wider set of practices instituted to remember the Temple’s destruction:
- Not playing instrumental music at weddings
- Historically, placing ashes on the groom’s head or a black cloth (practices less common today)
- Breaking a plate at the tenaim (engagement agreement ceremony)
Which glass to break:
- At the tenaim: traditionally a damaged or already broken plate
- Under the chuppah: a whole, new glass may be used, and this is the most common practice today
Modern variations:
Different communities have different customs about who breaks the glass (groom only, or bride and groom together), how it’s broken, and how strictly the mourning restrictions are observed. The core act—breaking glass under the canopy—is nearly universal among Ashkenazi and Sephardic communities, though some communities historically did not observe this custom at all.
Practical Meaning Today
The glass-breaking is both solemn and joyful: it’s a moment where sadness and happiness coexist. The guests’ shout of “Mazel tov!” immediately follows the shattering sound—affirming that joy and memory, celebration and mourning, are woven together in Jewish life.
Sources
Educational note: Rebbe.IO is an AI study companion, not a posek. Practices and customs vary by community; for a personal halachic ruling, please consult your rav.
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