Producing eggs is a process that is typically associated with birds, but can also be done by some reptiles and fish. The term for this process is 'laying, ' which is a six-letter word that can be found in crossword puzzles. Laying eggs involves the female of the species producing an egg from her body and then depositing it outside of her body. This process is essential for the survival of many species, as it allows them to reproduce and continue their species.