dilator

noun

di·​la·​tor (ˈ)dī-ˈlāt-ər, də- How to pronounce dilator (audio)
: one that dilates: as
a
: an instrument for expanding a tube, duct, or cavity
a urethral dilator

called also divulsor

b
: a muscle that dilates a part
c
: a drug (as a vasodilator) causing dilation

Dictionary Entries Near dilator

Cite this Entry

“Dilator.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/dilator. Accessed 13 Jun. 2024.

Love words? Need even more definitions?

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