the GNU version of the Collaborative International Dictionary of English
ad. In the enharmonic style or system; in just intonation.
The Century Dictionary and Cyclopedia
In an enharmonic manner, or in accordance with an enharmonic scale.
Word Usage
"* Trombone: A powerful brass instrument of the trumpet family, the only wind instrument possessing a complete chromatic scale enharmonically true, like the human voice or the violin, and hence very valuable in the orchestra."