the GNU version of the Collaborative International Dictionary of English
adj. Capable of being distended or dilated.
The Century Dictionary and Cyclopedia
Capable of being distended, dilated, or expanded.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. capable of being distended; able to stretch and expand
Word Usage
"It is a black six-limbed panther from Hell, the size of a tractor trailer, with an armored head, a venomous striking tail, and massive distensible armored jaws."