The phrase "abandoned baby" refers to a situation where a newborn baby is left alone and not taken care of by their parents or guardians. Full definition
Does are good mothers and do not abandon their babies. (mnhumane.org)
Add in the occasional abandoned baby, sexual assault and attacks on the police, and you can see why people who live or work downtown hate them. (epolitics.com)
In some cases, a mother hamster may completely abandon her babies to run on the wheel. (petsmagazine.com.sg)