The American Heritage® Dictionary of the English Language, 4th Edition
n. Any of numerous, widely distributed, chiefly nonvenomous snakes of the family Colubridae, which includes the king snakes, garter snakes, and water snakes.
adj. Of, relating to, or belonging to the Colubridae.
n. Any snake in the family Colubridae, completely covered in scales and mostly nonvenomous.
the GNU version of the Collaborative International Dictionary of English
n. any member of a large family (Colubridae) of mostly harmless temperate-to-tropical terrestrial or arboreal or aquatic snakes.
The Century Dictionary and Cyclopedia
n. A snake of the family Colubridæ.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. mostly harmless temperate-to-tropical terrestrial or arboreal or aquatic snakes
Word Usage
"The Eastern Arc Mountains and Southern Rift are home to more than 35 of these endemic species, including eight species of chameleons (six Chamaeleo and two Rhampholeon), three species of worm snakes (Typhlops), and six species of colubrid snakes."