pulvino
/pʌlˈviːnəʊ/(also pulvin) Architecture
noun
A dosseret resembling a cushion pressed down by a weight.
Origin
Early 20th century; earliest use found in The Athenaeum. From Italian pulvino from classical Latin pulvinus cushion, pillow, the architectural element being so called on account of its shape. In some forms with omission of the ending.