Although most crocodiles eat about 50 meals a year, they can survive a whole year, and sometimes even two or three years, without eating anything.
Vocabulary is commonly defined as all the words known and used by a particular person. Knowing a word, however, is not as simple as merely being able to recognize or use it. There are several aspects of word knowledge that are used to measure word knowledge.
A definition is an exact word or phrase of the meaning, nature, or limits of something. A definition usually answers the question what. Defining means giving a definition. Other words with this meaning are description and explanation. It describes what a word means and explains to the person when and where it can be used.