1. (n.) One who, or that which, economizes.
2. (n.) Specifically: (Steam Boilers) An arrangement of pipes for heating feed water by waste heat in the gases passing to the chimney.
Thesaurus Entries
Audubon Society, National Wildlife Service, Sierra Club, conservationist, conservator, deliverer, economist, economizer, forest ranger, game warden, keeper, lifesaver, preservationist, preserver, ranger, rescuer, safekeeper, savior, taxidermist
