noun, verb, rod⋅ded, rod⋅ding.| 1. | a stick, wand, staff, or the like, of wood, metal, or other material. |
| 2. | a straight, slender shoot or stem of any woody plant, whether still growing or cut from the plant. |
| 3. | fishing rod. |
| 4. | (in plastering or mortaring) a straightedge moved along screeds to even the plaster between them. |
| 5. | a stick used for measuring. |
| 6. | a unit of linear measure, 5 1/2 yards or 16 1/2 feet (5.029 m); linear perch or pole. |
| 7. | a unit of square measure, 30 1/4 square yards (25.29 sq. m); square perch or pole. |
| 8. | a stick, or a bundle of sticks or switches bound together, used as an instrument of punishment. |
| 9. | punishment or discipline: Not one to spare the rod, I sent him to bed without dinner. |
| 10. | a wand, staff, or scepter carried as a symbol of office, authority, power, etc. |
| 11. | authority, sway, or rule, esp. when tyrannical. |
| 12. | lightning rod. |
| 13. | a slender bar or tube for draping towels over, suspending a shower curtain, etc. |
| 14. | Bible. a branch of a family; tribe. |
| 15. | a pattern, drawn on wood in full size, of one section of a piece of furniture. |
| 16. | Slang.
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| 17. | Anatomy. one of the rodlike cells in the retina of the eye, sensitive to low intensities of light. Compare cone (def. 5). |
| 18. | Bacteriology. a rod-shaped microorganism. |
| 19. | Also called leveling rod, stadia rod. Surveying. a light pole, conspicuously marked with graduations, held upright and read through a surveying instrument in leveling or stadia surveying. |
| 20. | Metallurgy. round metal stock for drawing and cutting into slender bars. |
| 21. | to furnish or equip with a rod or rods, esp. lightning rods. |
| 22. | to even (plaster or mortar) with a rod. |
| 23. | Metallurgy. to reinforce (the core of a mold) with metal rods. |

rod
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rod (rŏd)
n.
A straight slender cylindrical formation.
A rod cell.
An elongated bacterium; a bacillus.