北大

Peking University (abbr. for 北京大學|北京大学)

north / (classical) to be defeated

see 大夫[dai4 fu5]

big; large; great / older (than another person) / eldest (as in 大姐[da4 jie3]) / greatly; freely; fully / (dialect) father / (dialect) uncle (father's brother)

North University of China (Shanxi)

the Great Northern Wilderness (in Northern China)

North Atlantic

North Atlantic Treaty Organization, NATO

Northeastern University (in Shenyang 瀋陽市|沈阳市[Shen3 yang2 shi4], Liaoning) / Tōhoku University, Sendai, Japan

Northwest University