1. An unborn human offspring in the womb from approximately the eighth week of pregnancy until birth.
Usage: British spelling; American English typically uses 'fetus'; Medical and biological term

Examples

• The doctor used an ultrasound to monitor the foetus during pregnancy.
• At twelve weeks, the foetus begins to develop recognizable features.
• Prenatal vitamins help support the health of the developing foetus.
• The foetus receives oxygen and nutrients through the umbilical cord.
• Genetic testing can be performed on the foetus to screen for certain conditions.