ventriculostomy
noun
ven·tric·u·los·to·my
ven-ˌtrik-yə-ˈläs-tə-mē 
plural ventriculostomies
: the surgical establishment of an opening in a ventricle of the brain to drain cerebrospinal fluid especially in hydrocephalus
Cite this Entry
“Ventriculostomy.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/ventriculostomy. Accessed 4 Nov. 2025.
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