from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A preparation, often in the form of a cream or lotion, used to protect the skin from the damaging ultraviolet rays of the sun.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a form of sunblock, often having a lower sun protection factor
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a cream spread on the skin; contains a chemical (as PABA) to filter out ultraviolet light and so protect from sunburn
sun + screen (Wiktionary)