half and half

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

• adjective In equal parts; half
• adverb In two equal parts.
• noun Half one thing and half another.
• noun US A mixture of cream and milk often used in coffee, defined by the US Food and Drug Administration to contain between 10.5% and 18% milk fat.
• noun A mixture of two alcoholic beverages, most frequently those brewed from malt, such as porter and ale or mild and bitter beers, in about equal parts; also used for equal parts of an alcoholic beverage and water.
• noun A person of mixed race or with dual nationality.
• noun UK A combination of both rice and chips as an accompaniment to a curry, as opposed to one or the other.
• noun UK A combination of beer and ale (or similar alcoholic drinks) in equal quantities.