Noun
(Judaism) The style of a prayer service.
(Judaism) The melody used for the service, depending on when it is being conducted.
Source: en.wiktionary.orgMany dynasties have their own specific adaptation of Nusach Sefard; some, such as the versions of the Belzer, Bobover and Dushinsky Hasidim, are closer to Nusach Ashkenaz, while others, such as the Munkacz version, are closer to the old Lurianic. Source: Internet
Many siddurim listed above have Nusach Sefard versions, including (among others) ArtScroll, Koren Sacks and Rinat Yisrael. Source: Internet
Nusach HaAri Siddur, published by Merkos L'Inyonei Chinuch. Source: Internet
Over the last two thousand years, the various branches of Judaism have resulted in small variations in the Rabbinic liturgy customs among different Jewish communities, with each community having a slightly different Nusach (customary liturgy). Source: Internet