The phrase "hath up a tree" refers to someone or something being stuck or trapped in a tree. There are several synonyms for this phrase, including "treed," "climbed a tree," and "stuck in a tree." These phrases can be used interchangeably to convey the same meaning. Being trapped in a tree can be a scary situation, and it is important to stay calm and call for help if needed. Remember to always be cautious when climbing trees, and never attempt to rescue someone stuck in a tree unless you are properly trained and equipped.