A xerophile ({etymology|gre|xēros|dry||philos|loving}), is an extremophilic organism that can grow and reproduce in conditions with a low availability of water, also known as water activity. Water activity (aw) is a measure of the amount of water within a substrate an organism can use to support sexual growth. Xerophiles are often said to be `xe.... Found on http://en.wikipedia.org/wiki/Xerophile
xerophile 1. Organisms (plants and animals) that are well adapted to or which are adapted to live in a dry climate. 2. A reference to a plant that is able to grow in very dry conditions because it has adapted to restricting water loss by shedding leaves at the beginning of the dry season or by growing waxy leaves or dense hairs. Found on http://www.wordinfo.info/words/index/info/view_unit/2334/3