Main Entry: fe·tus

Variant(s): or chiefly British foe·tus \ˈfēt-əs\

Function: noun

Inflected Form(s): plural fe·tus·es or chiefly British foe·tus·es or foe·ti \ˈfēt-ˌī\

: an unborn or unhatched vertebrate especially after attaining the basic structural plan of its kind ; specifically : a developing human from usually two months after conception to birth—compare embryo