cen·trum 
(sĕntrəm)
(sĕntrəm)n. pl. cen·trums or cen·tra (-trə)
The major part of a vertebra, exclusive of the bases of the neural arch.
[Latin, center; see CENTER.]
- small arm
- small ball
- small beer
- small blind
- small-bore
- small bowel
- small calorie
- small cap
- small capital
- small cell carcinoma
- small cell lung cancer
- small change
- small-claims court
- smallclothes
- Smalley
- small fry
- small hours
- small intestine
- smallish
- small-minded
- small-mindedly
- small-mindedness
- smallmouth bass
- smallness
- small potatoes