Quick definitions from WordNet (care)

▸ noun:  activity involved in maintaining something in good working order ("He wrote the manual on car care")
▸ noun:  the work of caring for or attending to someone or something ("No medical care was required")
▸ noun:  attention and management implying responsibility for safety ("He is in the care of a bodyguard")
▸ noun:  a cause for feeling concern ("His major care was the illness of his wife")
▸ noun:  an anxious feeling ("Care had aged him")
▸ noun:  judiciousness in avoiding harm or danger ("He handled the vase with care")
▸ verb:  provide care for
▸ verb:  feel concern or interest ("I really care about my work")
▸ verb:  be concerned with
▸ verb:  prefer or wish to do something ("Do you care to try this dish?")
▸ verb:  be in charge of, act on, or dispose of
▸ name:  A surname (very rare: popularity rank in the U.S.: #52546)

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▸ Also see care