Dictionary

1rubber

noun rub·ber \ˈrə-bər\

Definition of RUBBER

1
a :  one that rubs
b :  an instrument or object (as a rubber eraser) used in rubbing, polishing, scraping, or cleaning
c :  something that prevents rubbing or chafing
2
[from its use in erasers]
a :  an elastic substance that is obtained by coagulating the milky juice of any of various tropical plants (as of the genera Hevea and Ficus), is essentially a polymer of isoprene, and is prepared as sheets and then dried —called also caoutchouc, india rubber
b :  any of various synthetic rubberlike substances
c :  natural or synthetic rubber modified by chemical treatment to increase its useful properties (as toughness and resistance to wear) and used especially in tires, electrical insulation, and waterproof materials
3
:  something made of or resembling rubber: as
a :  a rubber overshoe
b (1) :  a rubber tire
(2) :  the set of tires on a vehicle
c :  a rectangular slab of white rubber in the middle of a baseball infield on which a pitcher stands while pitching
d :  condom 1
rubber adjective

First Known Use of RUBBER

1536

2rubber

noun

Definition of RUBBER

1
:  a contest consisting of an odd number of games won by the side that takes a majority (as two out of three)
2
:  an odd game played to determine the winner of a tie

Origin of RUBBER

origin unknown
First Known Use: 1599

rubber

noun rub·ber \ˈrəb-ər\   (Medical Dictionary)

Medical Definition of RUBBER

1
:  an elastic substance that is obtained by coagulating the milky juice of any of various tropical plants (as of the genera Hevea and Ficus), is essentially a polymer of isoprene, and is prepared as sheets and then dried—called also caoutchouc, india rubber
2
:  condom 1

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