Oh, and the word  DUShKA is comes up in the search at a wonderful website,
http://slovari.gramota.ru/   as: устар. (archaic)

1. Ямочка в нижней части шеи (a dimple in the low part pf the neck) 

I always consult this site, and also Dahl (which is not included in this site's database).

Victor