Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
tot [tɔt] n (drink) глото́к#; (child) малы́ш#
tot up vt (BRIT) (figures) подсчи́тывать (подсчита́ть perf)
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.