It is raining stair rods outside.

The Gentleman Usher of the Black Rod is a ceremonial officer in the Parliament of the United Kingdom.

Spare the rod and spoil the child.

Using that credit card is just a rod for one's own back.

He always seems to find a rod for his own breech.

It comes down in stair rods.

It came down in stair rods last night.

It's raining heavily outside, it's coming down in stair rods.

It was raining heavily, coming down in stair rods.