Webster's Revised Unabridged Dictionary · 1913

laager

laager (la"gẽr or la"gẽr) , noun

[Dutch, also leger. Compare 2d Leaguer, Lair.]

A camp, especially one surrounded by a circular formation of travelers' wagons for temporary defense. [South Africa]
Wagons... can be readily formed into a laager, a camp, by being drawn into a circle, with the oxen placed inside and so kept safe from the attacks of wild beasts. — James Bryce

Laager , verb, transitive and intransitive

[From Laager, n.]

To form into, or camp in, a laager, or protected camp.