Fetching details from the dictionary...
cello; violoncello
チェロの低音ていおんは心こころに響くひびく。
The bass of the cello resonates in the heart.
チェロは椅子いすに座っすわって弾くひく。
The cello is played while sitting in a chair.
チェロは大きくおおきくて持ち運びもちはこびにくい。
Cellos are large and hard to carry.