啸聚 meaning in English

[书面语] band together; gang up

I have made inquiry after the suspicious characters you described, they have left their place of rendezvous .
我已查明你所描述的可疑分子，他们已经离开啸聚的地点。
Marauders, or men that had been driven to that desperate mode of life, quartered themselves in the fastnesses nearest to the low lands .
强盗们，实际上是逼上梁山的亡命之徒，啸聚在邻近低地的城寨里。