What is Attermining?

Legal Definition
In old English law. A putting off; the granting of a time or term, as tor the payment of a debt. Cowell.
-- Black's Law Dictionary
Legal Definition
The granting a time or term for the payment of a debt. This word is not used. See Delay.
-- Bouviers Law Dictionary
Legal Definition
Extending time for payment.
-- Ballentine's Law Dictionary