: a rigid endoscope for inspecting and passing instruments into the urethra and bladder

Word History

Etymology

International Scientific Vocabulary

First Known Use

1889, in the meaning defined above

Time Traveler
The first known use of cystoscope was in 1889

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Cite this Entry

“Cystoscope.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cystoscope. Accessed 29 Jul. 2026.

Medical Definition

cystoscope

1 of 2 noun
: a rigid endoscope for inspecting and passing instruments into the urethra and bladder

cystoscope

2 of 2 transitive verb
cystoscoped; cystoscoping
: to examine (as a patient) with a cystoscope

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