<p><strong>Noun</strong></p><ul><li>an infant or very young child.</li><li>a newborn or very young animal.</li><li>the youngest member of a family, group, etc.: I was the baby of the family for ten years, until my twin brothers were born.</li><li>an adult who behaves like a child; an immature, helpless, or fearful person: Just swallow the medicine—don't be such a baby!</li><li>a human fetus: The baby hasn’t arrived yet, but the nursery is ready.</li><li>a girl or woman, especially an attractive one (informal, sometimes disparaging).</li><li>a person of whom one is deeply fond; sweetheart.</li><li>an affectionate or familiar address (sometimes offensive when used to strangers, casual acquaintances, subordinates, etc., especially by a male to a female).</li><li>a man or boy; fellow: He's a tough baby to have to deal with.</li><li>an invention, creation, project, or the like that requires one's special attention or expertise or of which one is especially proud: His charitable foundation is his baby and it truly shows.</li><li>an object; thing: Those big babies can carry a lot of cargo.</li></ul><p><strong>Adjective</strong></p><ul><li>of or suitable for a baby: baby clothes.</li><li>of or like a baby; infantile: baby skin.</li><li>treating babies: a baby doctor.</li><li>small; comparatively little: baby eggplants.</li></ul><p><strong>Verb</strong></p><ul><li>(used with object) to treat like a young child; pamper: She still babies her son although he's nearly 24.</li><li>to handle or use with special care; treat gently.</li></ul>