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.
Princeton's WordNet(3.00 / 1 vote)Rate this definition: 1  baby, babe, infant(noun) a very young child (birth to 1 year) who has not yet begun to walk or talk. the baby began to cry again; she held the baby in her arms; it sounds simple, but when you have your own baby it is all so different.