What is Assisa De Clarendon?

Legal Definition
The assise of Clarendon. A statute or ordinance passed m the tenth year of Henry II., by which those that were accused of any heinous crime, and not able to purge themselves, but must abjure the realm, had liberty of forty days to stay and try what succor they could get of their friends towards their sustenance in exile. Bract, fol. 136; Co.. Litt 159; Cowell.
-- Black's Law Dictionary
Legal Definition
An act of 1164 staying exile of felons for forty days within which they might get contributions for their support.
-- Ballentine's Law Dictionary