cavity of a rock

1. 1 Ne. 3: 27
   27 And it came to pass that we fled into the wilderness, and the servants of Laban did not overtake us, and we hid ourselves in the cavity of a rock.
2. Ether 13: 13-14, 18, 22
   13 And I was about to write more, but I am forbidden; but great and marvelous were the prophecies of Ether; but they esteemed him as naught, and cast him out; and he hid himself in the cavity of a rock by day, and by night he went forth viewing the things which should come upon the people.
   14 And as he dwelt in the cavity of a rock he made the remainder of this record, viewing the destructions which came upon the people, by night.
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   18 Wherefore, it came to pass that in the first year that Ether dwelt in the cavity of a rock, there were many people who were slain by the sword of those secret combinations, fighting against Coriantumr that they might obtain the kingdom.
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   22 And it came to pass that Coriantumr repented not, neither his household, neither the people; and the wars ceased not; and they sought to kill Ether, but he fled from before them and hid again in the cavity of the rock.