'Half-and-half' definitions:
Definition of 'half-and-half'
From: WordNet
adverb
In equal parts; "it was divided half-and-half"
adjective
In equal parts; "a half-and-half mixture"
noun
Half milk and half light cream; contains 10% to 18% butterfat
Definition of 'Half-and-half'
From: GCIDE
- Half-and-half \Half`-and-half"\, n. A mixture of two malt liquors, esp. porter and ale, in about equal parts. --Dickens. [1913 Webster]