Eighth

a.	1.	Next in order after the seventh.
	2.	Consisting of one of eight equal divisions of a thing. Eighth note (Mus.) the eighth part of a whole note, or semibreve; a quaver.
n.	1.	The quotient of a unit divided by eight; one of eight equal parts; an eighth part.
	2.	(Mus.) The interval of an octave.

Noun	1.	eighth - position eight in a countable series of things
	2.	eighth - an eighth part Synonyms: one-eighth
Adj.	1.	eighth - coming next after the seventh and just before the ninth in position Synonyms: 8th

contraoctave, double contraoctave, eightfold, four-foot octave, four-line octave, great octave, octadic, octagonal, octahedral, octal, octan, octaploid, octastyle, octave, octofid, octonary, octosyllabic, octuple, one-line octave, ottava, ottava alta, ottava bassa, small octave, subcontraoctave, tone row, two-foot octave, two-line octave