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 base of a Yellow Birch trunk. In botany, the trunk (or bole) is the stem and main wooden axis of a tree, which is an important feature in tree identification, and which often differs markedly from the bottom of the trunk to the top, depending on the species. The trunk is the most important part of the tree for timber production.