
• (n.) That part of the Ionic capital between the abacus and quarter round, which forms the volute. • (n.) A stone placed on the impost of a pier for receiving the first stone of an arch.
Found on
http://thinkexist.com/dictionary/meaning/coussinet/
Cous'si·net` noun [ French, dim. of
coussin cushion . See
Cushionet .]
(Architecture) (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 volut...
Found on
http://www.encyclo.co.uk/webster/C/175

In architecture, a coussinet is a stone placed on the impost of a pier for receiving the first stone of an arch. The term is also applied to that part of the Ionic capital between the abacus and quarter round, which forms the volute.
Found on
http://www.probertencyclopaedia.com/browse/TC.HTM

French for the stone at the top of a pier supporting the lowest stone of an arch.
Found on
http://www.selectstone.com/architectural-resources/stone-glossary/
No exact match found.