from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The ordinal number matching the number eight in a series.
- n. One of eight equal parts.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. The ordinal form of the number eight.
- n. The person or thing in the eighth position.
- n. One of eight equal parts of a whole.
- n. An "eighth" of an ounce equalling approximately 3.5 grams in marijuana or other drugs.
from the GNU version of the Collaborative International Dictionary of English
- adj. Next in order after the seventh.
- adj. Consisting of one of eight equal divisions of a thing.
- n. The quotient of a unit divided by eight; one of eight equal parts; an eighth part.
- n. The interval of an octave.
from The Century Dictionary and Cyclopedia
- Next after the seventh: an ordinal numeral.
- n. The quotient of unity divided by eight; one of eight equal parts of anything.
- n. In music: The interval between any tone and a tone on the eighth diatonic degree above or below it; an octave.
- n. A tone distant by an eighth or octave from a given tone; an octave or replicate. The eighth tone of a scale is really the prime or key-note of a replicate scale.
- n. An eighth-note.
- n. In early English law, an eighth part of the rents for the year, or of movables, or both, granted or levied by way of tax.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. position eight in a countable series of things
- adj. coming next after the seventh and just before the ninth in position
- n. one part in eight equal parts
 The argument here is due to a misapprehension of the meaning of the term eighth in Psalm vi. and xi.title. cf.n. on De Sp.S. S: 66.
Herodotus thought Homer lived "the day before yesterday" because he belonged to what we call the eighth century.
"Under such conditions," said I, "what we call the eighth commandment would be superfluous."
The eighth is not merely one of the seven restored, but a new power or person proceeding out of the seven, and at the same time embodying all the God-opposed features of the previous seven concentrated and consummated; for which reason there are said to be not eight, but only seven heads, for the eighth is the embodiment of all the seven.
I would now lead my companion a little closer to what the apostle says in the nineteenth verse; to come closer, if we may, to the idea that burned in his heart when he wrote what we call the eighth chapter of his epistle to the Romans.
When I was in eighth grade, she and my father had tried to quit drinking.
When I was in eighth grade I was shorter than every girl in the seventh grade.
The film, featuring Best Actor contender Jeff Bridges, expanded into 819 theatres nationwide, earning an estimated $3.6 million in eighth place or a 58% increase over last week.
When I was in eighth grade one of my teachers told me I was a good writer and I ought to work for the high school paper.
Loyola finished in eighth place in the conference for a third consecutive season, winning just three times after New Year's Eve.