A note having one-eighth the time value of a whole note.
The American Heritage® Dictionary of the English Language, Fourth EditionCopyright © 2009 by Houghton Mifflin Company.
An eighth note (American) or a quaver (other English-speaking countries) is a musical note played for one eighth the duration of a whole note, hence the name.Eighth notes are notated with an oval, filled-in note head and a straight note stem with one flag. (see Figure 1). A related symbol is the "eighth rest" (or "quaver rest"), which denotes a silence for the same duration.
Provided by http://en.wikipedia.org/wiki/Eighth_note
