mag·na cum lau·de (mäg'nə kŏŏm lou'də) adv.
& adj. With high honors. Used to express high academic distinction: graduated magna cum laude; 25 magna cum laude graduates.
[Latin magnā cum laude, with great praise : magnā, feminine ablative sing. of magnus, great + cum, with + laude, ablative sing. of laus, praise.]