5 ms·

I don't understand the distinction you are trying to make. Even if it's purpose built, it still fits the definition of a stool.

• tantalor 12y ago
  A stool is something I sit on, not something an aircraft lands on.
  • catshirt 12y ago
    Schrodinger's stool? the stool is not until it's sat on?
• mtdewcmu 12y ago
  All the stools I've ever sat on would be about as tall as one of the wheels and would have been crushed to splinters...