- major
- ma|jor1 W2S3 [ˈmeıdʒə US -ər] adj[Date: 1200-1300; : Latin; Origin: 'larger, greater', from magnus 'large, great']1.) [usually before noun]having very serious or worrying results≠ ↑minor▪ There is a major problem with parking in London.▪ The loss of their goalkeeper through injury was a major setback for the team.▪ He underwent major heart surgery recently.▪ It could have sparked a major confrontation.2.) [usually before noun]very large or important, when compared to other things or people of a similar kind≠ ↑minormajor role/part/factor etc▪ Britain played a major role in the negotiations.▪ There are two major political parties in the US.▪ The government's major concern is with preventing accidents on the roads.▪ Smoking is one of the major causes of cancer.▪ the major developments in computer technology▪ a major road3.) [not before noun] AmE spoken very important▪ This is major? You got me out of bed for this?4.) a major ↑key is based on a musical ↑scale in which there are ↑semitones between the third and fourth and the seventh and eighth notes→↑minor▪ a symphony in D majormajor 2major2 n1.) an officer of middle rank in the British or US army or marines, or in the US airforce2.) especially AmE the main subject that a student studies at college or university▪ Her major is history.3.) AmE someone studying a particular subject as their main subject at college or university▪ She's a history major.4.) the majors [plural]the ↑Major Leaguesmajor 3major3 vmajor in [major in sth] phr vespecially AmE to study something as your main subject at college or university▪ He's majoring in Political Science.major on [major on sth] phr vespecially BrE to pay particular attention to one subject or thing▪ The company is planning to major on offering the machines we need.
Dictionary of contemporary English. 2013.