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1.
The plural form of fetus
Dude, check out all that fetii. Ya they found out she had twins, thats a lot of fetii!
by fetii January 06, 2008
11 4
 
2.
n.pl.fe-tii
1. The unborn young of a viviparous vertebrate having a basic structural resemblance to the adult animal.
2. In humans, the unborn young from the end of the eighth week after conception to the moment of birth, as distinguished from the earlier embryo.
Arron and Steve are behaving like deliciously oversized fetii.
by Mr.Very November 28, 2004
11 8