[ dee-kawr-ti-keyt ]
/ diˈkɔr tɪˌkeɪt /

verb (used with object), de·cor·ti·cat·ed, de·cor·ti·cat·ing.

to remove the bark, husk, or outer covering from.
Surgery. to remove the cortex from (an organ or structure).

Origin of decorticate

1605–15; < Latin dēcorticātus (past participle of dēcorticāre to peel), equivalent to dē- de- + corticātus having bark, shell; see corticate

Related forms

de·cor·ti·ca·tor, nounun·de·cor·ti·cat·ed, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for decorticate


/ (diːˈkɔːtɪˌkeɪt) /


(tr) to remove the bark or some other outer layer from
surgery to remove the cortex of (an organ or part)

Derived Forms

decortication, noundecorticator, noun

Word Origin for decorticate

C17: from Latin dēcorticāre, from de- + -corticāre, from cortex bark
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