Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
summit [ˈsʌmɪt] n (of mountain) верши́на, пик (also: summit conference) конфере́нция на вы́сшем у́ровне; (also: summit meeting) встре́ча на вы́сшем у́ровне
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.
Русский: