half-century

/HH AE1 F S EH0 N CH ER0 IY0/
noun
  1. 1

    A period of fifty years, half of a century.

  2. 2

    A score of 50 runs by a single batsman

  3. 3

    A score of 50 points in a single game.

Source: https://en.wiktionary.org/wiki/half-century