To extend in some one direction; to lengthen out; to stretch.

To stretch out or extend in all directions; to dilate; to enlarge, as by elasticity of parts; to inflate so as to produce tension; to cause to swell; as, to distend a bladder, the stomach, etc.

To become expanded or inflated; to swell.

become wider; "His pupils were dilated"

cause to expand as it by internal pressure; "The gas distended the animal's body"

swell from or as if from internal pressure; "The distended bellies of the starving cows"

To stretch outward. For example, when the bladder is filled, it is distended.