rat louse

noun

: a sucking louse (Polyplax spinulosa) that is a widely distributed parasite of rats and transmits murine typhus from rat to rat

Dictionary Entries Near rat louse

Cite this Entry

“Rat louse.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/rat%20louse. Accessed 21 Nov. 2024.

Love words? Need even more definitions?

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