Noun
a grand piano suitable for concert performances
Source: WordNetThe visit to Mysore was a fantastic experience. The Maharajah was a young man, not yet thirty. In one of his palaces he had a record library containing every imaginable recordings of serious music, a large range of loud speakers, and several concert grand pianos.... Jayachamarajendra Wadiyar
A rough generalization distinguishes the concert grand (between 2.2 and 3 meters long, about convert–convert) from the parlor grand or boudoir grand (1.7 to 2.2 meters long, about convert–convert) and the smaller baby grand (around convert). Source: Internet
This gives the concert grand a brilliant, singing and sustaining tone quality—one of the principal reasons that full-size grands are used in the concert hall. Source: Internet
In a concert grand, however, the octave "stretch" retains harmonic balance, even when aligning treble notes to a harmonic produced from three octaves below. Source: Internet