sortition n 1: making a chance decision by using lots (straws or pebbles etc.) that are thrown or drawn [syn: {casting lots}, {drawing lots}, {sortition}]
Sortition \Sor*ti"tion\, n. [L. sortitio, from sortiri to draw or cast lots, fr. sors, sortis, a lot.] Selection or appointment by lot. [Obs.] --Bp. Hall. [1913 Webster]