[ n ] the act of nodding the head
[ n ] a sign of assent or salutation or command
[ v ] be almost asleep ; " The old man sat nodding by the fireplace "
[ v ] let the head fall forward through drowsiness ; " The old man was nodding in his chair "
[ v ] lower and raise the head , so as to indicate assent
[ v ] express or signify by nodding ; " He nodded his approval "
[ v ] sway gently back and forth , as of flowers or tress in the wind