Word Study
lumbus (root: lumbi)
WORDNET DICTIONARY
Noun lumbus has 1 sense
- lumbus(n = noun.animal) loin - either side of the backbone between the hipbone and the ribs in humans as well as quadrupeds; Array is a part of quadruped, homo, human, human being, man
is a kind of body part
Derived form adjective lumbar1
For further exploring for "lumbus" in Webster Dictionary Online