A vocabulary, also known as a wordstock or word-stock, is a set of familiar words
within a person
Body of words used in a particular language
The vocabulary of a particular sphere of activity, region, social class or individual, or the total set of morphemes or meaningful units of a language and its words.
A list of words or phrases of a language, technical field or some specialized area, usually arranged in alphabetical order and often provided with brief definitions and with foreign translations.
The vocabulary used by or known to an individual. (Also called lexical knowledge).
A usually alphabetized and explained collection of words e.g. of a particular field, or prepared for a specific purpose, often for learning.