CRESCENDO
Source: 567
Cres‐cen″do (kr?s–s?n″d?; It. kr?–sh?n″d?), a. & adv. [[It., from crescere to increase. See Crescent.]] (Mus.) With a constantly increasing volume of voice; with gradually increasing strength and fullness of tone; — a direction for the performance of music, indicated by the mark, or by writing the word on the score.