0 a noun that is the name of a group of similar things, such as "table" or "book", and not of a single person, place, or thing
1 (in grammar) a name for any group of people, places, or things that are of the same type:
Can you tell the difference between a common noun and a proper noun?
In the sentence 'Mary had a little lamb', there is one common noun.
A common noun doesn't usually begin with a capital letter unless it is at the beginning of the sentence.
The phrase "a jug of water" contains two common nouns - one countable and one uncountable.
Boy is applied in common to all young males of the human species, and as such is a common noun or name.
From your reading bring up sentences containing ten common nouns, five proper, five abstract.
