plu·ral·i·ty /plu̇-'ra-lə-tē/ n pl -ties: an amount or group (as of votes) that is greater than any other amount or group within a total but that is not more than half; esp: a group of justices on an appeals court who do not form a majority but with whose opinion enough other justices concur to render it the decision of the court see also plurality opinion at opinion compare majority
Merriam-Webster’s Dictionary of Law. Merriam-Webster. 1996.