superfetation

Definition

The formation of a fetus while another fetus is already present in the uterus.

Etymology

From Latin superfetare (“conceive while pregnant”), from super- + fetus.

Example Sentences

• "1992, Geoffrey Wall, translator of Gustave Flaubert, Madame Bovary These gentlemen were greatly astonished at Bovary's romantic ideas, and the pharmacist hurried in to say to him: "This velvet looks to me rather a superfetation. Besides, the expense...""