Thayer's Greek Lexicon

 1. to kiss the hand to (towards) one, in token of reverence
2. among the Orientals, esp. the Persians, to fall upon the knees and
touch the ground with the forehead as an expression of profound
reverence
3. in the NT by kneeling or prostration to do homage (to one) or make
obeisance, whether in order to express respect or to make supplication
  1) used of homage shown to men and beings of superior rank
3a1. to the Jewish high priests
3a2. to God
3a3. to Christ
3a4. to heavenly beings
3a5. to demons