bleacher

/B L IY1 CH ER0/
noun
  1. 1

    One who, or that which, bleaches.

  2. 2

    (usually in the plural) A stand of tiered planks used as seating for spectators, often outdoors.

    โ€œThere could be a rough crowd out in the bleachers.โ€

  3. 3

    (usually in the plural, by extension) The tiered seating provided for the audience at a television filming.

Synonyms

Source: https://en.wiktionary.org/wiki/bleacher