Κεραία
From Sensus Plenior
κεραία - nominative, singular, feminine noun; pr. a horn-like projection, a point, extremity; in N.T. an apex, or fine point; as of letters used for the minutest part, a tittle (see Matthew 5:18; Luke 16:17) (Wesley J. Perschbacher, The New Analytical Greek Lexicon, Hendrickson Publishers, 1990, 236).
