1. massing or clumping of materials together. 2. a clumped mass of material. familial aggregation the occurrence of more cases of a given disorder in close relatives of a person with the disorder than in control families. platelet aggregation platelet agglutination.
boule â(plural boules). 1  One of the bowls used in the French game of boules. 2  A single-crystal ingot produced by synthetic means. 3  A round loaf of bread. 4  A round piece of dough. ( 5 woodworking) A through-sawn log with the slices restacked in the order and orientation they originally had in the log, usually with waney edges.
The Boule. The second important institution was the boule, or Council of Five Hundred. The boule was a group of 500 men, 50 from each of ten Athenian tribes, who served on the Council for one year. Unlike the ekklesia, the boule met every day and did most of the hands-on work of governance.