/haf"euhn haf", hahf"euhn hahf"/ , n.
1. a mixture of two things, esp. in equal or nearly equal proportions.
2. milk and light cream combined in equal parts, esp. for table use.
3. Chiefly Brit. a mixture of two malt liquors, esp. porter and ale.
adj.
4. half one thing and half another.
adv.
5. in two equal parts.
[ 1705-15 ]