閣下

Noun

 * 1)  Your Excellency; His or Her Excellency; Your Honour
 * 2)  at the foot of a tower or pavilion
 * 1)  at the foot of a tower or pavilion

Usage notes
Originally a term of respect toward members of the nobility; became a more generic term of respect later on.

Noun

 * 1)  down a noble's residential tower, looking up
 * 2) Your Excellency; His Excellency; Her Excellency; Your Lordship; His Lordship; Your Ladyship; Her Ladyship; Your Grace; His Grace; Her Grace
 * 1) Your Excellency; His Excellency; Her Excellency; Your Lordship; His Lordship; Your Ladyship; Her Ladyship; Your Grace; His Grace; Her Grace