Extended Strong's Greek Lexicon (Abbott-Smith based)
a thorn
Usage: ἄκανθα, -ης, ἡ (ἀκή, a point), [in LXX chiefly for קוֹץ, also for סִיר, שַׁיִת, etc. ;] a prickly plant, thorn, brier; in NT always pl.: Mat.7:16 13:7,22 27:29, Mrk.4:7,18, Luk.6:44 8:7,14, Jhn.19:2, Heb.6:8 (see MM, VGT, see word).† (AS)