Drawing a comparison in order to show a similarity in some respect.
The operation of a computer presents and interesting analogy to the working of the brain.
Hex Nut - a nut with a hexagonal shape; "five dozen hex nuts would be sufficient".
Hewer - a person who hews; "The hewer is shaping the wood".
Hew - strike with an axe; cut down, strike; "hew an oak".
Caoutchouc Tree, Hevea Brasiliensis, Para Rubber Tree - deciduous tree of the Amazon and Orinoco Rivers having leathery leaves and fragrant yellow-white flowers; it yields a milky juice that is the chief source of commercial rubber.