Headphones (or `head-phones` in the early days of telephony and radio) are a pair of small loudspeakers that are designed to be held in place close to a user`s ears. They are also known as earspeakers, earphones or, colloquially, cans. The alternate in-ear versions are known as earbuds or earphones. In the context of telecommunication, a headse...... Found on http://en.wikipedia.org/wiki/Headphones
Devices that can be worn on the head with small speakers that fit over the ears (or sometimes into the ears).
Found on http://www.encyclo.co.uk/local/20447