The Clue
Bridge-bidders' aids (11 letter answer)
The Answer
CONVENTIONS
Tags
Notes
The answer CONVENTIONS is so rare that it appears less than once every 2500 puzzles.
Definition
CONVENTION as a noun:
1. a large formal assembly; "political convention"
2. (convention, normal, pattern, rule, formula) = something regarded as a normative example; "the convention of not naming the main character"; "violence is the rule not the exception"; "his formula for impressing visitors"
3. (diplomacy) an international agreement
4. (conventionality, convention, conventionalism) = orthodoxy as a consequence of being conventional
5. (convention, convening) = the act of convening