It is the name of any slaughtered camel, cow and sheep. It is Stressed Supererogation as per the Islamic Sharia to be performed by the pilgrims and other in specific days; namely, al-Adha day and the three following days whether they are in Makkah or another location for the resident and the traveler.
It is a gift to Allah Almighty in Makkah to be devout to Allah. The offering shall be submitted in specific days i.e. the Day of Sacrifice and the days thereafter, and may be on any day of the year in the Umrah, because the offering is desirable in Umrah. It is also desirable or duty in the Hajj Al Tamatu' or Hajj Al-Qiran, and it also includes required sacrifices in Ihram.
Pilgrims or Umrah Performers shall submit a sacrifice in Makkah at any time in the year, if they failed to perform any of the requirements of the pilgrimage or Umrah or committed any of the prohibitions of Ihram.
It is a volunteering sacrifice to be performed by the Pilgrims or other as per their discretion without any relation to the Hajj rituals.