Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
between [bɪˈtwiːn] prep ме́жду +instr
adv
in between ме́жду тем
the road between here and London доро́га отсю́да до Ло́ндона
we only had Ь5 between us у нас на двои́х бы́ло всего́ Ь5
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.