- perch, rod, pole - a linear measure of 16.5 feet
--1 is a kind of linear unit
--1 is a part of furlong
--1 has parts: yard, pace - rod - a long thin implement made of metal or wood
--2 is a kind of implement
--2 has particulars:baton; connecting rod; control rod; fishing rod, fishing pole; pole; ramrod; ramrod; rotating shaft, shaft; shaft; stair-rod; tie rod - rod - any rod-shaped bacterium
--3 is a kind of bacteria, bacterium
--3 has particulars: streptobacillus- perch, rod, pole - a square rod of land
--4 is a kind of area unit, square measure
- rod, rod cell, retinal rod - visual receptor cell sensitive to dim light
--5 is a kind of visual cell
--5 is a part of retina
--5 has parts: visual purple, rhodopsin, retinal purple- gat, rod - a gangster's pistol
--6 is a kind of pistol, handgun, side arm, shooting iron
- rod - any rod-shaped bacterium