agglomerations

/AH0 G L AA1 M ER0 EY1 SH AH0 N Z/
noun
  1. 1

    The act or process of collecting in a mass; a heaping together.

  2. 2

    State of being collected in a mass; a mass; cluster.

  3. 3

    An extended city area comprising the built-up area of a central city and any suburbs linked by continuous urban area.

  4. 4

    A mass of large volcanic fragments bonded under heat.

Source: https://en.wiktionary.org/wiki/agglomeration, https://en.wiktionary.org/wiki/agglomerations