Answer: pulvinar

AnswerCrossword Clue
pulvinara knob on the brain by the optic nerve
pulvinar(on an Ionic capital) either of two convex forms having on their ends two of the volutes
pulvinar(of a frieze or the like) having a convex surface from top to bottom
pulvinar(in ancient Rome) a. cushioned couch kept in readiness for any visitation of a god b. cushioned seat at a circus