ˈkyünēəs noun
( plural cunei -ēˌī)
Etymology: Latin, wedge — more at culex
1. : wedge : something shaped like a wedge
2. : one of the wedge-shaped blocks of seats into which the cavea of the ancient Roman theater was divided by stairways
3.
[New Latin, from Latin]
: a convolution of the mesial surface of the occipital lobe of the brain above the calcarine fissure that forms a part of the visual cortex