Login or register (free and only takes a few minutes) to participate in this question.
You will also have access to many other tools and opportunities designed for those who have language-related jobs (or are passionate about them). Participation is free and the site has a strict confidentiality policy.
Calliope: in music, an instrument also called steam organ or steam piano in which steam is forced through a series of whistles controlled by a keyboard. It is usually played mechanically, and its shrill music is a familiar accompaniment of circus parades. It is named for the Muse of Eloquence.
Steam organ: a musical instrument consisting of a series of steam whistles played from a keyboard