In Hebrews 6:8 the Greek word (tribolos) so rendered means "three-pronged," and denotes the land caltrop, a low throny shrub resembling in its spikes the military "crow-foot." Compare Matthew 7:16 , "thistle." Copyright Statement
These dictionary topics are from M.G. Easton M.A., D.D., Illustrated Bible Dictionary, Third Edition, published by Thomas Nelson, 1897. Public Domain.
Bibliography Information
Easton, Matthew George. Entry for 'Brier'. Easton's Bible Dictionary. https://www.studylight.org/​dictionaries/​eng/​ebd/​b/brier.html. 1897.