Definitions

1. noun

A small, rounded eminence on the dorsal surface of the thalamus, receiving fibers from the optic tract and the brachium of the inferior colliculus.

“The neuroscientist studied the pulvinar’s role in processing visual information.”

2. noun

The part of a leaf or flower, such as a bract or an involucre, that resembles a small, rounded or cushion-shaped structure.

“The pulvinar of the orchid’s petals added an ornamental touch to the flower.”