This meaning refers to fishing poles fitted with line, guides, and usually a reel.
They packed their rods before heading to the lake.
The shop sells rods for freshwater fishing.
This biological meaning refers to photoreceptor cells that support night vision and peripheral vision but do not detect color well.
Rods help the eye detect movement in low light.
The retina contains both rods and cones.
This historical measurement use refers to units equal to five and a half yards, also called poles or perches.
The old survey measured the field in rods.
The boundary extended twenty rods eastward.
This figurative or historical meaning refers to sticks used for punishment or to authority exercised through fear and force.
The rulers governed with laws and rods.
The phrase refers to rods of discipline.