A temporary erected structure or mold for the support and containment of concrete during placement and while it is setting and gaining sufficient strength to be self-supporting. See corner forms, formwork, filler forms, flexible forms, keyway forms, placement, radius forms, reversible forms, straight forms, slurry, tilt-up forms, tilt-up reversible forms, and transition forms.
A mold in which concrete is placed to set. These may be made of used wood materials, plastics, metal, etc. Some are disposable and other reusable. Can be self-constructed, purchased, or rented.