The Collaborative International Dictionary
Distensible
Distensible \Dis*ten"si*ble\, a. Capable of being distended or dilated.
Wiktionary
distensible
a. Capable of swelling or stretching.
WordNet
distensible
adj. capable of being distended; able to stretch and expand; "the stomach is a distensible organ"
Usage examples of "distensible".
Yet only a few moments before a long green snake with three hundred ribs, a distensible gullet, and gastrocentrous vertebras must have descended on that street like the gentle rain from Heaven upon the place beneath.