In law, a stop; a plea in bar, grounded on a man’s own act or deed, which estops or precludes him from averring any thing to the contrary.

In law, a stop; a plea in bar, grounded ona man’s own act or deed, which estops or precludes him from averring any thing to the contrary. If a tenant for years levies a fine to another person, it shall work as an estoppel to the cognizor.