pulvinar(redirected from Pulvinar nucleus)
Also found in: Medical.
1. (Anatomy) anatomy a cushion-like part of the thalamus
2. (Anatomy) anatomy obsolete a layer of fat found in the hip joint
3. (Medicine) obsolete a small, sometimes medicated, cushion
4. (Historical Terms) (in ancient Rome) the imperial seat in an arena
botany relating to a pulvinus