The crossword solution for the term PLANT PART is POD, which is a three-letter word. A POD is a type of dry fruit that contains seeds and is produced by certain plants. It is typically formed from a single carpel and can be either dehiscent, meaning it splits open at maturity to release its seeds, or indehiscent, meaning it does not split open. Examples of plants that produce pods include peas, beans, and okra.