Look up eighth in Wiktionary, the free dictionary.
Eighth is ordinal form of the number eight.
Eighth may refer to:
- One eighth, 1⁄8 or ⅛, a fraction, one of eight equal parts of a whole
- Eighth note (quaver), a musical note played for half the value of a quarter note (crotchet)
- Octave, an interval between seventh and ninth
- Eighth octave C, a C note
- Eighth Lake, a lake by Inlet, New York