Definition of "seisin" [sei•sin]

• Legal possession of land, as a freehold estate. (noun)
• The act or an instance of taking legal possession of land. (noun)
• Property thus possessed. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The disabilities under which a feudal owner very frequently lay gave rise to the practice of conveying land by other methods than that of feoffment with livery of seisin, that is, a handing over of the feudal possession."
• "Little groups were trickling in all the time to swear fealty to their new king, and they were using an ancient ritual they referred to as "seisin," a ritual probably as old as the earth-taking ritual."
• "Well, you have taken seisin of my life between you."