Definition of Formedon in the descender
A writ of formedon which lay where a gift was made in tail, and the tenant in tail aliened the lands or was disseised of them and died, for the heir in tail to recover them, against the actual tenant of the freehold. 3 Bl.Comm. 192,
That's the definition of Formedon in the descender in Black's Law Dictionary 6th Edition. Courtesy of Cekhukum.com.