Finch/fɪntʃ/ Definition 1 of 1Pro Tip 1/3Small Bird Finches are small in size, making 'small' a keyword to remember. The small finch perched quietly on the tree branch. Pro Tip 2/3Beak Strength Remember that finches often have a strong beak, useful for eating seeds. The finch used its strong beak to crack open sunflower seeds. Pro Tip 3/3Pet Potential Finches are known to be pets, indicating they're typically non-threatening. Many people keep finches as pets for their cheerful chirping.