is used (a) of the organ of speech, Matthew 15:8; Mark 7:6 , where "honoring with the lips," besides meaning empty words, may have reference to a Jewish custom of putting to the mouth the tassel of the tallith (the woollen scarf wound round the head and neck during prayer), as a sign of acceptance of the Law from the heart; Romans 3:13; 1 Corinthians 14:21 (from Isaiah 28:11,12 , speaking of the Assyrian foe as God's message to disobedient Israel); Hebrews 13:15; 1 Peter 3:10; (b) metaphorically, of "the brink or edge of things," as of the sea shore, Hebrews 11:12 , lit., "the shore (of the sea)."