Gathers up is a term that can be defined by three different words: AMASSES, GLEANS, and collects. AMASSES is a 7-letter word meaning to accumulate or gather together in large numbers or quantities. GLEANS is a 6-letter word meaning to gather or collect bit by bit. Collects is an 8-letter word meaning to bring together into one place or group. All three words refer to the act of gathering or collecting items, either in large amounts or small bits.