cello
The cello is a bowed string instrument with four strings tuned in perfect fifths. The strings from low to high are generally tuned to C2, G2, D3 and A3, an octave lower than the viola. It is a member of the violin family of musical instruments. A person who plays the cello is called a cellist.
http://en.wikipedia.org/wiki/Cello.
See also:
This tag implicates bowed_string_instrument (learn more).
The following tags implicate this tag: electric_cello (learn more).