When the law was first passed in 1976, it required schools to allow a brief time in "silent meditation."
More recent cases have involved prayer at events like football games or questions about required periods of silent meditation.
The members of this order are often absorbed in silent meditation, with eyes closed or fixed on the ground.
Or, as sometimes happened, sitting alone, hands locked beneath his chin in silent meditation.
Most of the 45-minute session, I discovered, was silent meditation.
In particular, he describes his photographic trips as "silent meditations".
At 5:50, the men broke for an hour of silent meditation.
She thought it might be easier to "talk to God" than to sit in silent meditation and clear her head of all thoughts.
But for now we continue with a programme of silent meditation.
People sat and stared at the screen in silent meditation, perhaps a kind of hypnosis.