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

calcarine sulcus

noun

: a sulcus in the mesial surface of the occipital lobe of the cerebrum

called also calcarine fissure

Browse Nearby Words

Cite this Entry

“Calcarine sulcus.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/calcarine%20sulcus. Accessed 2 Dec. 2025.

Love words? Need even more definitions?

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