Definitions:
be carried slowly by a current of air or water

(especially of snow or leaves) be blown into heaps by the wind

a continuous slow movement from one place to another

the general intention or meaning of an argument or someone's remarks

a large mass of snow, leaves, or other material piled up or carried along by the wind

a horizontal or inclined passage following a mineral vein or coal seam

an act of driving cattle or sheep.

a ford.