Definition: Either of the two equal or nearly equal parts that together make up a whole . Pronunciation: /hæf/ Grammatical meaning: Noun , pronoun , predeterminer , adjective , adverb. Story quote: It was a big gray animal, half dog and half wolf. Sentences: 1. I was awake half the night. 2. I left supper half done. 3. Finally he lifted his glass of tea in a half salute to her.