An arrangement or position in which two or more lines or surfaces are equidistant at all points.

A groove or furrow, especially in a biological context such as in the brain.

खाई

English Usage: The brain's sulcus can be seen in detailed MRI images.

Hindi Usage: मस्तिष्क की खाई को विस्तृत एमआरआई चित्रों में देखा जा सकता है।