A large flat surface, finished with black slate or a similar material, that can be written upon with chalk and subsequently erased; a chalkboard.
To use a blackboard to assist in an informal discussion.
A licence to make alterations to a church.
A division of a university.
an ability, power, or skill.
The members of a profession.
The academic staff at schools, colleges, universities or not-for-profit research institutes, as opposed to the students or support staff.
An authority, power, or privilege conferred by a higher authority.