This is the 11140th most frequent Portuguese word.
lombar
"Relating to the lower back or lumbar region."
Here, "lombar" is used as an adjective to describe the region of the lower back.
O fisioterapeuta recomendou exercícios para fortalecer a região lombar.
The physical therapist recommended exercises to strengthen the lumbar region.
In this sentence, "lombar" again serves as an adjective, specifying the type of support provided.
A cadeira ergonômica oferece um bom suporte lombar.
The ergonomic chair provides good lumbar support.
Here, "lombar" describes the location of the pain, showing its usage in a medical or descriptive context.