'Muster' in the Bible

So Moses instructed the people, "Muster your men of war to attack the Midianites and deliver the LORD'S vengeance against Midian.

So here's my advice: Muster everybody from one end of the country to the other! You'll have an army in number like the sand on the seashore! Then you'll go into battle!

Meanwhile, David ordered Amasa, "Muster the army of Judah here within three days, and be here yourself!"

But when Amasa went out to muster the army of Judah, he delayed to act within the time allotted to him.

Next to him, Malchijah, one of the goldsmiths, carried on repairs up to the house of the Temple Servants and the merchants, up to the Muster Gate as far as the ascent to the corner.