Definition
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Langar (n.) serves free vegetarian meals to anyone who walks into a gurdwara, regardless of faith or status.
Langar (n.) seats diners side by side on the floor, so the rich and the poor eat at the same height.
Langar (n.) feeds tens of thousands a day at the Golden Temple, a catering order no caterer would accept.
Langar (n.) works like a soup kitchen run by the whole congregation, where volunteering is part of worship.