TRAZODONE EXTENDED-RELEASE-ORAL. The medication you searched for has more than one listing. Multiple listings, which are compiled by generic name indicate a drug is available in more than one dose or in different forms, such as tablets, liquid or injection.
In modern usage, a definition is something, typically expressed in words, that attaches a meaning to a word or group of words. The word or group of words that is to be defined is called the definiendum, and the word, group of words, or action that defines it is called the definiens.
It wouldn't be wise to choose a word like cat for a definition essay. The word, cat has a pretty simple meaning, so we'll have trouble writing an entire essay about it. Similarly, not many people disagree over the definition of the word cat, which means our definition will be short and ordinary.