the GNU version of the Collaborative International Dictionary of English
n. A birdcatcher.
n. a birdwatcher.
The Century Dictionary and Cyclopedia
n. A bird-catcher; a fowler.
n. One who breeds birds.
n. A local English name of the wild cat.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a person who identifies and studies birds in their natural habitats
Word Usage
"Well, over the years, I have grown more comfortable with the word birder, and have even come to consider myself one, but I still think that there's much more to birding than simply ticking off species on a checklist."