Meaning

• Pliable material derived from the sap of the rubber tree; a hydrocarbon polymer of isoprene.

• Synthetic materials with the same properties as natural rubber.

• An eraser.

• A condom.

• Someone or something which rubs.

• The cushion of an electric machine.

• The rectangular pad on the pitcher's mound from which the pitcher must pitch.

  "Jones toes the rubber and then fires to the plate."

• (in the plural) Water-resistant shoe covers, galoshes, overshoes.

  "Johnny, don't forget your rubbers today."

• Tires, particularly racing tires.

  "Jones enters the pits to get new rubber."

• A hardship or misfortune.

Meaning

• (of a draft/check) Not covered by funds on account.