(in the past) a group of wagons that were put into a circle in order to protect people in the middle (旧时用马车围成的)临时防御阵地;车阵 They drew their wagons into a laager and set up camp. 他们把马车围成一圈扎起营地。 a laager mentality (= one that is not willing to accept new ideas) 守旧心态
Word OriginSouth African Dutch, from Dutch leger, lager ‘camp’. Compare with lager and lair.