<p><strong>Noun</strong></p><ul><li>The state or period of being an infant; very early childhood, usually the period before being able to walk; babyhood.</li><li>The corresponding period in the existence of anything; very early stage: Space science is in its infancy.</li><li>Infants collectively.</li><li>Law: The period of life to the age of majority, 21 years at common law but now usually 18; minority; nonage.</li></ul>