The word octave derives from the Latin word octavus, meaning "eight." It has several usages: Jump to: navigation, search Latin is an Indo-European language originally spoken in the region around Rome called Latium. ...

• In music, an octave is the interval equivalent to an eighth.
• In poetry, an octave is most frequently the first eight lines of a sonnet
  • Less commonly, an octave is a distinct poetic form called the Sicilian octave.
• In the Roman Catholic Church, an octave is a feast commemorating the eighth day after a major holiday (which in the late Middle Ages grew to an eight day festival with a specific liturgy) particularly Easter and Pentecost.
• In computing, Octave is a program for performing numerical analysis.

Wikibooks Wikiversity has more about this subject: School of Music Look up Music on Wiktionary, the free dictionary Wikisource, as part of the 1911 Encyclopedia Wikiproject, has original text related to this article: Music MusicNovatory: the science of music encyclopedia The Virginia Tech Multimedia Music Distionary, with definitions, pronunciations, examples... In music, an octave (sometimes abbreviated 8ve or 8va) is the interval between one musical note and another with half or double the frequency. ... In music theory, an interval is the distance in pitch between two notes, the lower and higher members of the interval. ... Jump to: navigation, search Poetry (ancient Greek: ποιεω (poieo) = I create) is a written art form in which human language is used for its aesthetic qualities in addition to, or instead of, its notional and semantic content. ... Two stanzas of iambic pentameter of the rhyme scheme abba abba. ... Francesco Petrarca or Petrarch, one of the best-known of the early Italian sonnet writers The term sonnet is derived from the Provençal word sonet and the Italian word sonetto, both meaning little song. ... Poetry (ancient Greek: poieo = create) is an art form in which human language is used for its aesthetic qualities in addition to, or instead of, its notional and semantic content. ... It has been suggested that this article or section be merged with Ottava rima. ... Jump to: navigation, search The Catholic Church, also known as the Roman Catholic Church, is the largest church or organizational body of Christians, with a membership of over one billion people worldwide. ... The Middle Ages formed the middle period in a traditional schematic division of European history into three ages: the classical civilization of Antiquity, the Middle Ages, and modern times, beginning with the Renaissance. ... Jump to: navigation, search A religious festival is a time of special importance marked by adherents to that religion. ... From the Greek word λειτουργια, which can be transliterated as leitourgia, meaning the work of the people, a liturgy comprises a prescribed religious ceremony, according to the traditions of a particular religion; it may refer to, or include, an elaborate formal ritual (such as the Catholic Mass), a daily activity such... Jump to: navigation, search Easter is one of most important religious holiday of the Christian liturgical year, observed in March, April, or May to celebrate the resurrection of Jesus after his death by crucifixion in AD 30-33 (see Good Friday). ... Jump to: navigation, search The name of the Jewish holiday Shavuot is commonly translated as Pentecost. Pentecost is the Christian festival that commemorates the descent of the Holy Spirit upon the Apostles, fifty days after the Resurrection of Jesus at Easter, and ten days after the Ascension. ... Originally, the word computing was synonymous with counting and calculating, and a science that deals with the original sense of computing mathematical calculations. ... Octave is a free computer program for performing numerical computations, which is mostly compatible with MATLAB. It is part of the GNU project. ... Numerical analysis is the study of algorithms for the problems of continuous mathematics (as distinguished from discrete mathematics). ...

See also

• Ottava rima, an Italian verse form.