embryo

noun ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about embryo at Wordnik → Where our words come from →

1. (botany) a minute rudimentary plant contained within a seed or an archegonium.
2. An animal organism in the early stages of growth and differentiation that in higher forms merge into fetal stages but in lower forms terminate in commencement of larval life.