nurse
noun
one skilled in caring for young children or the sick (usually under the supervision of a physician)
a woman who is the custodian of children
verb
try to cure by special care of treatment, of an illness or injury
“He nursed his cold with Chinese herbs”
maintain (a theory, thoughts, or feelings)
“bear a grudge”
“entertain interesting notions”
serve as a nurse; care for sick or handicapped people
treat carefully
“He nursed his injured back by lying in bed several hours every afternoon”
“He nursed the flowers in his garden and fertilized them regularly”
give suck to
“The wetnurse suckled the infant”
“You cannot nurse your baby in public in some places”
Source: WordNet 3.1, Princeton University