Factbox: Fencing at the Olympics July 24, 2012 | Daniel Bases | Reuters NEW YORK (Reuters) - The sport of fencing is one of just four to be contested at every Olympic Games of the modern era, starting in 1896.
An ultrasound of a human fetus. The definition of a fetus is an unborn offspring of an animal with a vertebrae or human. A baby that has been in its mother's stomach growing for 18 weeks is an example of a fetus. fetus.
Wiktionary(0.00 / 0 votes)Rate this definition: 1  embryo(Noun) In the reproductive cycle, the stage after the fertilization of the egg that precedes the development into a foetus. 2  embryo(Noun) An organism in the earlier stages of development before it emerges from the egg, or before metamorphosis.