'Gentlemen's agreement' definitions:

Definition of 'gentlemen's agreement'

(from WordNet)
noun
A personal agreement based on honor and not legally binding

Definition of 'Gentlemen's agreement'

From: GCIDE
  • Gentlemen's agreement \Gen"tle*men's a*gree"ment\ An agreement binding only as a matter of honor; often, specif., such an agreement among the heads of industrial or merchantile enterprises, the terms of which could not be included and enforced in a legal contract. [Webster 1913 Suppl.]