the GNU version of the Collaborative International Dictionary of English
n. One versed in mammalogy.
The Century Dictionary and Cyclopedia
n. A student of the Mammalia; one who is versed in the science of mammalogy; a therologist. Also mastologist.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. one skilled in the study of mammals
Word Usage
"It is a true rat, the same kind you find in the city sewers, says Dr Kristofer Helgen, a mammalogist based at the Smithsonian National Museum of Natural History who accompanied the BBC expedition team . . ."