to reduce to an even surface or one approaching evenness; to make flat; to level; to make plane.-to throw down; to bring to the ground; to prostrate; hence, to depress; to deject; to dispirit.-to make vapid or insipid; to render stale.-to lower the pitch of; to cause to sound less sharp; to let fall from the pitch.-to become or grow flat, even, depressed dull, vapid, spiritless, or depressed below pitch.