rubber meaning
EN
[ˈɹʌbə(ɹ)] [ˈɹɐbə(ɹ)] [ˈɹʌbɚ] [-ʌbə(r)] 
US - NounPLrubbersSUF-er
- (uncountable) Pliable material derived from the sap of the rubber tree; a hydrocarbon polymer of isoprene.
- (sports) In relation to a series of games or matches between two competitors where the overall winner of the series is the competitor which wins a majority of the individual games or matches.
- They played, and Creed and his young partner won the first rubber, winning the two first games running.
- Ladies matches shall consist of 6 rubbers. Each rubber shall consist of best of 3 games to 21 points.
- (uncountable, countable) Synthetic materials with the same properties as natural rubber.
- (countable, Britain) An eraser.
- (countable, Canada, US, slang) A condom.
- (slang, of a draft/check) Not covered by funds on account.
- (countable) Someone or something which rubs.
- (countable, baseball) The rectangular pad on the pitcher's mound from which the pitcher must pitch.
- Jones toes the rubber and then fires to the plate.
- (Canada, US, in the plural) Water resistant shoe covers, galoshes, overshoes.
- Johnny, don't forget your rubbers today.
- (uncountable, slang) Tires, particularly racing tires.
- Jones enters the pits to get new rubber.
- (sports, Canada, US) a rubber match; a game or match played to break a tie.
- The game of rubber bridge.
- Sir Arthur Conan Doyle, The Red-Headed League
- "Still, I confess that I miss my rubber. It is the first Saturday night for seven-and-twenty years that I have not had my rubber." "I think you will find that you will play for a higher stake to-night than you have ever done yet, and that the play will be more exciting."
- (uncountable) Pliable material derived from the sap of the rubber tree; a hydrocarbon polymer of isoprene.
- VerbSGrubbersPRrubberingPT, PPrubbered
- To eavesdrop on a telephone call.
- To eavesdrop on a telephone call.
- More Examples
- Used in the Middle of Sentence
- However, silicone rubber casts from the bottom of the mould reveal lateral connections between the septa indicating a parathecal wall (Fig 5A and 5B).
- I stretched the rubber band until it almost broke.
- He used a rubber tube to siphon petrol from the car's fuel tank.
- Used in the Middle of Sentence
Definition of rubber in English Dictionary
- Part-of-Speech Hierarchy
- Morphemes
- Suffixes
- Words by suffix
- Words suffixed with -er
- Words suffixed with -er
- Words by suffix
- Suffixes
- Nouns
- Countable nouns
- Singularia tantum
- Uncountable nouns
- Uncountable nouns
- Countable nouns
- Verbs
- Morphemes
Source: Wiktionary
Grammatically, this word "rubber" is a morpheme, more specifically, a suffixe. It's also a noun, more specifically, a countable noun and a singularia tantum. It's also a verb.