Extended Strong's Greek Lexicon (Abbott-Smith based)
corner
Usage: γωνία, -ας, ἡ (γόνυ), [in LXX chiefly for פִּנָּה ;] an angle, a corner: Mat.6:5, Act.26:26; τ. τέσσαρας γ. τ. γῆς, Rev.7:1, 20:8; κεφαλὴ γνωνίας (רֹאשׁ פִּנָּה, Ps 117(118):22, LXX), Mat.21:42, Mrk.12:10, Luk.20:17, Act.4:11, 1Pe.2:7.† (AS)