coffee break

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A short break from work during which coffee or other refreshments may be consumed.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A rest period during the business day (usually of about 10 or 15 minutes). So named because it is an opportunity to get coffee.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a snack taken during a break in the work day