definition of
distend

[1] #1 distend v. [dilate] become wider; "His pupils were dilated". wn

[2] #2 distend v. cause to expand as it by internal pressure; "The gas distended the animal's body". wn

[3] #3 distend v. swell from or as if from internal pressure; "The distended bellies of the starving cows". wn