The piccolo (Italian for small) is a half-size flute, and a member of the woodwind family of musical instruments. The piccolo has most of the same fingerings as its larger sibling, the standard transverse flute, but the sound it produces is an octave higher than written. This gave rise to the name "ottavino," the name by which the instrument is referred to in the scores of Italian composers.
Piccolos are now only manufactured in the key of C; however, they were once also available in D♭. It was for this D♭ piccolo that John Philip Sousa wrote the famous solo in the final repeat of the closing section (trio) of his march "The Stars and Stripes Forever".
In the orchestral setting, the piccolo player is often designated as Piccolo/Flute III or even Assistant Principal. The larger orchestras have designated this position as a Solo position due to the demands of the literature. Piccolos are often orchestrated to double (i.e., to play together with) the violins or the flutes, adding sparkle and brilliance to the overall sound because of the aforementioned one-octave transposition upwards.
The first known use of the word piccolo was in 1856, though the English were using the term already some fifteen years earlier.
Read more about Piccolo: Traditional Use, Repertoire, Bibliography