Cite this Entry
Keep [something] under one's hat. Merriam-Webster.com Dictionary, Merriam-Webster, //www.merriam-webster.com/dictionary/keep%20%28something%29%20under%20one%27s%20hat. Accessed 10 Dec. 2021.
MLA Chicago APA Merriam-Webster
Cite this Entry
Keep [something] under one's hat. Merriam-Webster.com Dictionary, Merriam-Webster, //www.merriam-webster.com/dictionary/keep%20%28something%29%20under%20one%27s%20hat. Accessed 10 Dec. 2021.