What is Fountainless?
Fountainless is a word that is not in common use, and it does not have a widely accepted definition. However, based on the context in which you found the word, it appears to be a made-up or invented word that is meant to describe something that lacks a fountain or a source of water.
In general, a fountain is a structure that features a flowing stream of water, often decorated with sculptures or other ornamental elements. A fountainless place, therefore, would be one that does not have a fountain or any other similar feature.
Without more information about the context in which you encountered the word "fountainless," it is difficult to provide a more specific definition or explanation. If you have any additional context or information, I may be able to help further.