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.
word. n. 1. (Linguistics) one of the units of speech or writing that native speakers of a language usually regard as the smallest isolable meaningful element of the language, although linguists would analyse these further into morphemes.