noun.
The act or ceremony of breaking ground to begin a construction project.
adjective.
Of, relating to, or being a ceremony of breaking ground.
adjective.
Characterized by originality and innovation.
the GNU version of the Collaborative International Dictionary of English
noun.
The ceremonial breaking of the ground to formally begin a construction project. It is sometimes carried out by an official who digs the first spadeful of dirt from the ground, to begin the preparatory excavation work.