✨📕 The NEWThe NEW Collegiate Dictionary, 12th Edition Over 5,000 words added — Buy Now! Collegiate DictionaryBuy Now!

tick typhus

noun

: any of various tick-borne rickettsial spotted fevers (as Rocky Mountain spotted fever or boutonneuse fever)

Browse Nearby Words

Cite this Entry

“Tick typhus.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/tick%20typhus. Accessed 5 Dec. 2025.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!