The term 'BIRD CROP' is a phrase used to describe the process of birds eating and harvesting crops. The crossword solutions for this term are CRAW (4 letters), EMUS (4 letters), CORN (4 letters), and REAP (4 letters). CRAW is an old English word meaning to eat or consume, which is what birds do when they feed on crops. EMUS are large flightless birds native to Australia that feed on plants and insects. CORN is a type of grain crop that is often eaten by birds. Finally, REAP is an agricultural term meaning to harvest or gather crops. All of these words together describe the process of birds eating and harvesting crops, which is known as bird cropping.