Actually, the correct name is
Matryoshka.
But Russian Dolls is far easier to remember.
(
Evil Prof. Pixel Masher I made this!,
Wed 9 Apr 2003, 14:26,
archived)
Yessss!
That's actually the word I was looking for! (although even "Russian Doll" had also escaped me)
(
xandmi,
Wed 9 Apr 2003, 14:31,
archived)