What is define were?

As an AI language model, I can provide information that the term 'define were' is not a complete sentence or phrase. The word 'define' means to give meaning and explanation to a term, concept, or phrase. On the other hand, 'were' is the past tense of the verb 'be,' which is often used to indicate an action or state in the past. Therefore, 'define were' could be an incomplete phrase, or it may need a context or further information to be understood more clearly.