the world > space > relative position > arrangement or fact of being arranged > state of being gathered together > gather together [verb (transitive)] > gather in one mass or form lumps > accumulate > be the means of accumulating (2)
Of material objects: to be the means of bringing together or accumulating; to receive addition of.
transitive. transitive. Of an object: to collect or acquire (a coating, an adhering mass of particles, etc.) upon its surface. Cf. pickup, n. 9.