What is a wind instrument, blown by a single reed, of richer and fuller tone than the oboe, which has a double reed. It is the leading instrument in a military band. Note: [Often improperly called clarionet.] called?

clarinet — A wind instrument, blown by a single reed, of richer and fuller tone than the oboe, which has a double reed. It is the leading instrument in a military band. Note: [Often improperly called clarionet.]. (Webster's 1913.)