"Gastric dilation" refers to the enlargement or expansion of the stomach, which can occur due to various reasons such as overeating, gas buildup, or certain medical conditions. Full definition
Bloat's most dangerous complication is a condition called gastric dilation volvulus, which occurs when a dog's stomach becomes twisted. (petconsider.com)
In addition to making sure that your St. Bernard doesn't grow too quickly you should also be mindful of a condition called gastric dilation volvulus, or bloat. (dogfoodinsider.com)
Are Dogs That Are Fed from a Raised Bowl at an Increased Risk of Gastric Dilation Volvulus Compared with Floor - Fed Dogs? (veterinaryevidence.org)