A baby bottle is a bottle with a teat to drink directly from. It is typically used if someone can not (as conveniently) drink from a cup, for feeding oneself or being fed.
In particular it is used to feed an infant with infant formula, expressed breast milk or pediatric electrolyte solution.
Infant and Toddlers Nutrition
Breastfeeding :: Babies

Baby Bottle Safety - Provides information about bottle feeding babies.
Meta Description: [ Provides safety tips and information on the use and care of baby bottles. ]
Baby's Play: Bottle feeding support forum - Support for parents who formula feed their infants.
Meta Description: [ We are open for all to post. We are not MBA, so stop on in and introduce yourself! :)
Online pregnancy, parenting, and trying to conceive communities, for parents and parents-to-be to of all styles, ages, and types, come and offer support, encouragement, and tips.
The boards include tee... ]
Babymilk.com - A resource provided by the International Association of Infant Food Manufacturers and its member companies that share a common purpose to protect and promote the health of infants and children.
Meta Description: [ Consumer information about infant foods and feeding practices sponsored by the International Association of Infant Food Manufacturers (IFM). ]
Bottle-feeding Basics - Questions and answers about frequency, sterilization, and comfort.
DrGreene.com - Discusses whether or not it is a good idea to add cereal to an infant's bottle during the early months.
Meta Description: [ Pediatric expert Dr. Alan Greene talks about adding cereal to baby bottles. ]
Epinions.com: Baby Bottles - Consumer opinions and comparative shopping service for baby bottles and associated products.
Meta Description: [ Epinions has the best comparison shopping information on Nursing and Feeding, Bottles and Accessories. Compare prices from across the web and read reviews from other consumers on Nursing and Feeding, Bottles and Accessories before you decide to buy. ]
Infant Formula: Second Best but Good Enough - US Food and Drug Administration article discusses commercially prepared formulas, including how they are regulated, what nutrients they contain, and preparation recommendations.
Overview of Infant Formulas - Explanation as to what infant formula is, how the FDA regulates it, how to report a problem with formula and recommendations about home-made formulas.