pulldown

/P UH1 L D AW0 N/
noun
  1. 1

    A dynamic menu; a list of options in a computer application which appears below a heading when it is selected, and remains only as long as the user needs it.

  2. 2

    A technique by which a protein is brought down in a test tube by another.

  3. 3

    The conversion of video footage to a higher frame rate by duplicating certain frames.

  4. 4

    (usually uncountable) Dodder (plant of genus Cuscuta).

  5. 5

    A trick done with rings where each ring is pulled down over the head instead of being caught and held in the hand.

  6. 6

    (exercise) An exercise mostly performed by pulling cables, a bar, or handles from a machine situated diagonally to the front top of the sportsman and targetting the rear muscles.

Source: https://en.wiktionary.org/wiki/pull-down, https://en.wiktionary.org/wiki/pulldown