Dictionary entry

κάρφος

G. Abbott-Smith's A Manual Greek Lexicon of the New Testament

κάρφος, -εος (-ους) τό,

[in LXX: Ge 8:11 (טָרָף)*;]

a small dry stalk, a twig; metaph., of a minor fault: Mt 7:3-5, Lk 6:41, 42.†