The crossword solution for the term 'Neuter a Neigher' is GELD, which is a four-letter word. GELD is a German word meaning 'MONEY' or 'PAYMENT'. It is also used to refer to the act of neutering an animal, such as a horse or a dog. Neutering is the process of surgically removing the reproductive organs of an animal in order to prevent it from reproducing. Neutering a Neigher is a common practice in order to reduce the number of unwanted animals in the population.