New Revised Standard Version
A stone was brought and laid on the mouth of the den, and the king sealed it with his own signet and with the signet of his lords, so that nothing might be changed concerning Daniel.

Contemporary English Version
A stone was rolled over the pit, and it was sealed. Then Darius and his officials stamped the seal to show that no one should let Daniel out.

New American Bible
To forestall any tampering, the king sealed with his own ring and the rings of the lords the stone that had been brought to block the opening of the den.

Douay-Rheims Bible
And a stone was brought, and laid upon the mouth of the den: which the king sealed with his own ring, and with the ring of his nobles, that nothing should be done against Daniel.

And a stone was brought, and laid upon the mouth of the den: which the king sealed with his own ring, and with the ring of his nobles, that nothing should be done against Daniel.

a stone.

Lamentations 3:53 Sade. My life is fallen into the pit, and they have laid a stone over me.

Matthew 27:60-66 And laid it in his own new monument, which he had hewed out in a rock. And he rolled a great stone to the door of the monument and went his way. . . .

Acts 12:4 And when he had apprehended him, he cast him into prison, delivering him to four files of soldiers, to be kept, intending, after the pasch, to bring him forth to the people.

Acts 16:23,24 And when they had laid many stripes upon them, they cast them into prison, charging the gaoler to keep them diligently. . . .