Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
ingrowing [ˈɪngrəuɪŋ] adj
ingrowing toenailвраста́ющий но́готь*m (на па́льце ноги́);
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.