Definition from Wiktionary, the free dictionary
From Middle English seysen, from Old French seisin, from the verb seisir, from Vulgar Latin *saciō, from the same Proto-Indo-European root as Gothic 𐍃𐌰𐍄𐌾𐌰𐌽 (satjan) and Old English settan. More at seize.
seisin (plural seisins)
- (law, common law, historical) A feudal term for an entitlement to a freehold estate with a right to immediate possession; still used in technical discussions of real property law today.
- (obsolete) The act of taking possession.
- (obsolete) The thing possessed; property.
- (Can we find and add a quotation of Sir M. Hale to this entry?)
- act of seizing