(originally) a conglomerate in which flint pebbles are embedded in a paler siliceous or calcareous matrix; (in later use) any conglomerate.

A conglomerate in which dark-coloured round pebbles are embedded in a paler, fine-grained matrix. In later use also: any conglomerate. Cf. plum-pu…

Pudding-stone; conglomerate.

Pudding-stone, an agglomeration of gland-like pebbles.

A conglomerate rock (cf. gluten, n. 4).

Geology (= conglomerate rock.) A composite rock consisting of rounded and waterworn fragments of previously existing rocks, united into a compact…

Geology. A composite rock (of any origin) that is characterized by large, lenticular mineral grains or aggregates. rare.