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cuspidation

American  
[kuhs-pi-dey-shuhn] / ˌkʌs pɪˈdeɪ ʃən /

noun

  1. decoration with cusps, as in architecture.


cuspidation British  
/ ˌkʌspɪˈdeɪʃən /

noun

  1. architect decoration using cusps

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of cuspidation

First recorded in 1840–50; cuspidate + -ion