doz.

/D AA1 Z/
noun
  1. 1

    A set of twelve.

    โ€œCan I have a dozen eggs, please?โ€

  2. 2

    (as plural only, always followed by of) A large, unspecified number of, comfortably estimated in small multiples of twelve, thus generally implied to be significantly more than ten or twelve, but less than perhaps one or two hundred; many.

    โ€œThere must have been dozens of examples just on the first page.โ€

  3. 3

    An old English measure of ore containing 12 hundredweight.

Source: https://en.wiktionary.org/wiki/doz, https://en.wiktionary.org/wiki/doz., https://en.wiktionary.org/wiki/dozen