major in

major in something

to specialize in a certain subject in college. I majored in history in college. I want to major in math.

major in

To complete a long-term course of study in some subject that is one's main focus: In high school I was interested in math, but in college I majored in history.

Common Names:

Name	Pronounced	Usage
Oriane	-	French
Dumitru	-	Romanian
Hillevi	HIL-le-vee (Swedish), HEEL-le-vee (Finnish)	Swedish, Finnish
Terri	TER-ee	English
Hitomi	hee-to-mee	Japanese
Gwynn	-	Welsh