dental dam

American  

[den-tl dam] / ˈdɛn tl ˈdæm /

noun

1. Also called rubber dam.  a thin piece of latex placed over the tooth or teeth being treated during endodontic treatment or other dental work.

2. a thin piece of latex used to prevent the transfer of bodily fluids during cunnilingus or anilingus.

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Example Sentences

And yes, it’s a little petty for you now to change tune on the dental dam.

From Slate

All Tony had was a dental dam to prevent them going down his throat.

From The Guardian

Lisa “Left Eye” Lopes offers perky instructions on how to improvise a dental dam with Saran Wrap.

From The Guardian