たむろする

suru verb (irregular), intransitive verb

gather; hang out; loiter

Used for people gathering casually, often in a public place, sometimes with a nuance of loitering or hanging around without a clear purpose.

• 駅えき前まえに若わか者ものがたむろしている。

  Young people are hanging out in front of the station.

• 公こう園えんに猫ねこがたむろしていた。

  Cats were gathered in the park.

suru verb (irregular), intransitive verb

assemble (troops); be stationed; be quartered

Military or historical use: troops gathering or being stationed. Rare in modern everyday language.

• 城しろの前まえに兵へいがたむろしていた。

  Soldiers were assembled in front of the castle.