rod

n 1: a long thin implement made of metal or wood

2: any rod-shaped bacterium

3: (British) a linear measure of 16.5 feet [syn: {perch}, {pole}]

4: a square rod of land [syn: {perch}, {pole}]

5: visual receptor cell sensitive to dim light [syn: {rod cell},

{retinal rod}]

6: (slang) a gangster's pistol [syn: {gat}]