eructation

Meanings

1. The act of belching, of expelling gas from the stomach through the mouth.
2. An erumpent blast of gas, wind, or other matter ejected from the depths of the earth.

Etymology

Learned borrowing from Latin ērūctātiōnem, accusative of ērūctātiō (“a belching forth, burp”), from ērūctāre (“to belch, burp”). Compare Middle English eructuacioun (“belching, burp”), borrowed from the same root.