The term GATHER IN A CROP can be summarized by the crossword solution REAP, which is a four-letter word. Reaping is the process of harvesting a crop, which involves cutting and gathering the mature grain or other crop from the field. This is usually done with a scythe, sickle, or reaper. Reaping is an important part of the agricultural cycle, as it allows farmers to gather their crops and prepare them for sale or storage.