Chances are you first started calling dibs back when you were a kid on the playground. Coincidentally, the playground is exactly where the phrase is believed to have menu
A quorum is the minimum number of people who must be present to pass a law, make a judgment, or conduct business. Quorum requirements typically are found in a court, legislative assembly, or corporation (where those attending might be directors or stockholders).
minyan - the quorum required by Jewish law to be present for public worship (at least ten males over thirteen years of age) quorum - a gathering of the minimal number of members of an organization to conduct business.