Strong's G5146 · Greek

τρίβολος

tribolos · trib'-ol-os

from 5140 and 956; properly, a crow-foot (three-pronged obstruction in war), i.e. (by analogy) a thorny plant (caltrop)

Scholarly Lexicons

Abbott-Smith Manual Greek Lexicon

 2 τρίβολος , -ου, ὁ [in LXX: Ge 3:18 , Ho 10:8 ( דַּרְדַּר ), II Ki 12:31 ( חָרִיץ ), Pr 22:5 ( צֵן )* ;] a thistle : Mt 7:16 , He 6:8 .† 

G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain