The Collaborative International Dictionary
Pulvinate
Pulvinate \Pul"vi*nate\, Pulvinated \Pul"vi*na`ted\, a. [L. pulvinatus, fr. pulvinus a cushion, an elevation.]
(Arch.) Curved convexly or swelled; as, a pulvinated frieze.
--Brande & C.(Zo["o]l.) Having the form of a cushion.
Wiktionary
pulvinate
a. 1 (context architecture English) Curved convexly or swelled. 2 (context zoology English) Having the form of a cushion.