The term 'HAVE' is a verb that means to possess, own, or hold something. It is often used in the present tense, but can also be used in the past and future tenses. It is an irregular verb, meaning that its conjugation changes depending on the tense. For example, in the present tense, 'HAVE' becomes 'has' when used with a third-person singular subject. In the past tense, 'HAVE' becomes 'had'. In the future tense, 'HAVE' becomes 'will HAVE'.