Noah Webster
Superimpregnation
SUPERIMPREGNA'TION, noun [super and impregnation.] The act of impregnating upon a prior impregnation; impregnation when previously impregnated.
SUPERIMPREGNA'TION, noun [super and impregnation.] The act of impregnating upon a prior impregnation; impregnation when previously impregnated.