ic is an adjective that means very dry or having little moisture. 

The Greek word keros (ZEE ros) means dry. This is the basis of our word of the day which has been with us since the early 20th century. Here’s an example of xeric in use:

The xeric conditions didn’t make our vacation much fun. I like warm weather as much as anyone, but it would be nice if we had at least a little rain for the month we were there.