Alma 55:17

yea, even to their women, and all those of their children, as many as were able to use a weapon of war; when Moroni had armed all those prisoners. And all those things were done in a profound silence.

He gave weapons to their women and to all of their children who were old enough to use a weapon of war. When Moroni had given weapons to all those prisoners, all of this was done very quietly.

even the women and children old enough to fight. Moroni armed all the prisoners in complete silence.