Law. [COUNTER- 3: cf. F. contre-lettre, in this sense.] (See quot.)
172751. Chambers, Cycl., Counter-deed, a secret writing, or a private act, either before a notary, or under a privy seal; which destroys, changes, annuls or alters some more solemn and publick act. Counter-Deeds, are rather tolerated than permitted.
1848. in Wharton, Law Lex.