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Webster 1913 Edition
Surculation
Surˊcu-la′tion
,Noun.
 Act of purning. 
[Obs.] 
Webster 1828 Edition
Surculation
SURCULA'TION
,Noun.
  Definition 2025
surculation
surculation
English
Noun
surculation (uncountable)
-  (obsolete) purring
- (Can we find and add a quotation of Sir Thomas Browne to this entry?)