Quoteing akr / m17n.org, on Sun, Feb 06, 2005 at 04:55:36AM +0900:
> In article <20050205145144.GA13678 / ensemble.local>,
>   Sam Roberts <sroberts / uniserve.com> writes:
> 
> > Perhaps #subdomain?
> 
> The term "subdomain" is good.
> 
> But I feel two possibile meanings with A.subdomain?(B) :
> 
> * A is a subdomain of B
> * B is a subdomain of A
> 
> Is it clear for native speakers?

Native speakers are as confused by their language as everybody else.

#subdomainof?

would make it completely clear.

Sam