Definitions

1. noun

relating to the lower back or the part of the vertebral column between the 12th thoracic vertebra and the 5th lumbar vertebra.

“She had a strain in her lumbar region after lifting the heavy box.”

2. adjective

of or relating to the lower back or the part of the vertebral column between the 12th thoracic vertebra and the 5th lumbar vertebra.

“He had a lumbar injury from playing rugby last season.”

3. verb

to move something from one place to another, especially by lifting or carrying it.

“She had to lumbar the heavy bag up the stairs.”

4. verb, archaic

to lift or hoist something

“He had to lumbar the heavy load across the river.”