1. support for building: a part of a building, usually below the ground, that transfers and distributes the weight of the building onto the ground
(
often used in the plural
)
2. support for idea: the basis of something such as a theory or an idea
3. cosmetics base layer of makeup: a cosmetic in liquid, cream, or cake form, usually colored, that is applied as a base for makeup
4. establishment of institution or organization: the setting up of an institution or organization
5. charitable or educational organization: an institution that has been formally set up with an endowment fund, e.g. a school, research establishment, charitable trust, or hospital
6. fund supporting institution: an endowment fund that supports an institution