PortugueseínguaThe subcutaneous bump you can feel with your fingertip when one of your lymph nodes is swollen.

Brazilians often use this word more generally for any kind of more deeply situated lump or bump that is better perceived through touch than sight. [Link](http://www.infoescola.com/sistema-imunologico/ingua/) and [Link](https://www.priberam.pt/dlpo/%C3%ADngua) (both in Portuguese) EDIT: even better - [link to Google Image Search](https://www.google.com/search?q=%C3%ADngua&num=100&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjps9raqPPTAhXkilQKHereDloQ_AUICigB&biw=1440&bih=718)