The phrase "send gallows" is an archaic term that means to send someone to the executioner. While this term is no longer common, there are several synonyms you can use to convey a similar meaning. Some examples include "sentenced to death," "condemned," "given capital punishment," "executed," or "put to death." These terms signify that someone has been found guilty and is being punished severely. It is important to use synonyms that are easily understandable and don't cause confusion or offend people. Choosing your words carefully can help you communicate more effectively and avoid causing unnecessary discomfort.