pull-down

Short definition from Wiktionary

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
   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
   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.

Adjective

1. 1
   That can be pulled down (lowered).

Verb

1. 1
   To make (something) lower (especially of clothes).
2. 2
   To demolish or destroy (a building etc.).
3. 3
   To cause to fall to the floor