英汉词典

1. 集会；聚会
    A gathering is a group of people meeting together for a particular purpose.

    e.g. ...the twenty-second annual gathering of the South Pacific Forum.
           第22届南太平洋论坛年会

2. （夜色）渐浓的，逐渐变黑的
    If there is gathering darkness, the light is gradually decreasing, usually because it is nearly night.

    e.g. The lighthouse beam was quite distinct in the gathering dusk.
           灯塔的光束在渐浓的暮色中清晰可见。