Here are some examples:
* "The building's roof had a protruding chimney." The chimney sticks out from the roof.
* "He had a protruding scar on his cheek." The scar is raised and noticeable on his face.
* "The tree's branches were protruding over the path." The branches extend out over the path, potentially blocking it.
Synonyms for protruding:
* Sticking out
* Jutting out
* Extending
* Projecting
* Bulging
* Prominent