gurgit-, gurg-

(Latin: gurgitare, "to flood"; gurges, gurgitis, "the gullet, a gulf, the sea"; to surge, to flood; pour, glut, gorge; whirlpool, engulf; boiling liquid)

regurgitant murmur (s) (noun), regurgitant murmurs (pl)
A heart murmur caused by the back flow of blood through the partly closed cusps of a defective valve.
regurgitate (verb), regurgitates; regurgitated; regurgitating
1. To rush, to pour, or to surge back; to flow or to allow to flow backward.
2. To bring gastric or esophageal contents back up into the mouth (vomit, throw up, puke) or to eject the contents of the stomach through the mouth.
3. To cause to surge back, as partially digested food; to vomit.
4. A reference to some creatures that bring food that has been swallowed back to and out of the mouth: Some birds regurgitate food to feed their young.

See reflux for a related word.

regurgitation (s) (noun), regurgitations (pl)
1. A backward flow from the normal direction, as the return of swallowed food into the mouth or the process of something being thrown up or vomiting.
2. The backward flow of blood through a defective heart or cardiac valve, named for the affected valve, as in aortic regurgitation.

A backward flowing; for example, vomiting is a regurgitation of food from the stomach and a regurgitation of blood back into the heart when a heart valve is incompetent.

3. A remastication or re-rumination of food or thoroughly chewing again or repeatedly of food by ruminant or herbivorous animals; such as, cattle, sheep, deer, and camels.

A regurgitation is done by herbivorous animals that have four stomachs, a rumen, reticulum, omasum, and abomasum or true stomach.

unacceptable regurgitation (s) (noun), unacceptable regurgitations (pl)
To repeat something; such as, facts, ideas, etc. without understanding them or explaining them: The speaker memorized the historical scientific names making unacceptable regurgitations of them during his speech; in other words, the he was just throwing out facts and figures without any relevant explanations or interconnections.
valvular regurgitation (s) (noun), valvular regurgitations (pl)
A reverse flow of blood through a valve; especially, a heart valve, that is not completely closed as it should normally be.