Move vs. copy table between databases that share a tablespace?

Trying to find a way of moving a large table between databases
in the same cluster. There is not sufficient space to copy the
contents -- the dedicated tablespace that fits the beastie is 
on an 80% full disk.

Given that the two databases live in the same cluster and have
the owner & the tablespace in common, is there any way to move
the contents without a dump & reload?

Thanks

-- 
Steven Lembark                                     3920 10th Ave South
Workhorse Computing                               Birmingham, AL 35222
lembark@wrkhors.com                                    +1 888 359 3508