Coussinet
Pronunciation : Cous"si*net` (ks"s-nt`)
Part of Speech : n.
Etymology : [F., dim. of coussin cushion. See Cushionet.] (Arch.) (a) A stone placed on the impost of a pier for receiving the first stone of an arch. (b) That part of the Ionic capital between the abacus and quarter round, which forms the volute. Gwilt.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder