Longman Dictionary of Contemporary English
Douglas Harper's Etymology Dictionary
1945, originally CARE package, supplies sent out by "Cooperative for American Remittances to Europe," established 1945 by U.S. private charities to coordinate delivery of aid packages to displaced persons in Europe after World War II and obviously named for the sake of the acronym. Name reupholstered late 1940s to "Cooperative for Assistance and Relief Everywhere," to reflect its expanded mission.
Wiktionary
n. (context idiomatic English) A package sent from home or from friends or family, containing favorite foods or comfort items.
Wikipedia
The CARE Package was the original unit of aid distributed by the humanitarian organization CARE (Cooperative for Assistance and Relief Everywhere). Although "CARE Package" is a registered trademark, the term has since been widely adopted as a generic term for a parcel of food or supplies sent for relief or comfort purposes.
Usage examples of "care package".
Whatever possessed us not to tell Jackie to include a deck of cards in Care Package?
Murphy and Michael had shown up at my door with a care package: soup and charcoal and kerosene for me, as the weather got colder.
This was just the latest crisis in what seemed like an Administration plagued by problems from the very beginning, starting with a furor over the President's attempt to drop the ban on gays in the military, to his health care package, to problems within his own White House.
Before heading out to the airport he stopped by his father's to pick up the Care package the old man had prepared for him.
And every time he gets TV coverage, some sheikh sends him a care package to pay for another spectacular.
We're still at DEFCON 2, and that care package you're sending is big enough to attract attention.
And for medical care, if the Great Health Care Package didn't go through.
Scott hadus bring along a 'care package' from the Enterprisewhen we beamed down.