n.

1. A large mass of land under the control of the great Khan/Mongolian empire.

2. A contemporary doom metal band consisting of former members of OLD, Burning Witch, Thorr's Hammer, and Blind Idiot God and current members of (among others) Sunn0))). Possibly one of the slowest, loudest, and creepiest doom metal bands ever, especially since much of the music is coupled with bass player James Plotkin's fantastic sequencing work.

n. The birth name of somebody who has changed their name. Most commonly attributed to trans people, but can be attributed to any person who has changed their name. (sometimes written as two words: dead name)

v. 1. To call somebody by their deadname.
v. 2. To out somebody's deadname to the public.