rubber
rub-ber
noun
A thin rubber sheath worn on the penis during sex for contraception.
"Always use a rubber for safe sex."
noun
A small piece of material used to remove pencil or ink marks.
"Can I borrow your rubber, please?"
Thesaurus
Synonyms: synthetic rubber, caoutchouc, natural rubber, gum elastic, India rubber, rubberize, rubberise, golosh, arctic, galosh, gumshoe, prophylactic