noun, plural pul⋅vi⋅nar⋅i⋅a [puhl-vuh-nair-ee-uh]
, adjective | 1. | (in ancient Rome)
|
| 2. | Also called pulvinus. (on an Ionic capital) either of two convex forms having on their ends two of the volutes. |
| 3. | pulvinate (def. 3). |

| 1. | cushion-shaped. |
| 2. | having a pulvinus. |
| 3. | Also, pulvinar. Architecture. (of a frieze or the like) having a convex surface from top to bottom. |
pulvinar pul·vi·nar (pŭl-vī'nər)
n.
The posterior extremity of the thalamus, forming a cushionlike prominence over the posterior aspect of the internal capsule.