Definition of "collapsible"

collapsible

adjective
comparative more collapsible, superlative most collapsible
1. That can be collapsed.
noun
plural collapsibles
1. Any object that can be collapsed to save space.
  Quotations
  Some umbrellas can be unfolded manually, while the others can spring open automatically. Umbrellas are genuine collapsibles.
  2017, Bipin Kumar, Suman Thakur, Textiles for Advanced Applications, page 64
  1. A kind of boat that can be collapsed for greater portability.
  2. (graphical user interface) A display element that can be collapsed to hide it from view.