Noun

(uncountable) The property of a word of sounding like what it represents.

* {{quote-book

, year= 1553 , year_published= 1909 , author= , (Desiderius Erasmus) , by= , title= Arte of Rhetorique , url= http://books.google.com/books?id=6p0xbOGIz2MC&pg=PA173 , original= , chapter= , section= , isbn= , edition= , publisher= Clarendon Press , location= Oxford , editor= , volume= , page= , passage= A woorde making called of the Grecians Onomatapoia , is when wee make wordes of our owne minde, such as bee derived from the nature of things. }}

(countable) A word that sounds like what it represents, such as "gurgle" or "hiss".

(uncountable, rhetoric) The use of language whose sound imitates that which it names.

Noun

(en noun)

(grammar) An exclamation or filled pause; a word or phrase with no particular grammatical relation to a sentence, often an expression of emotion.

*

Some evidence confirming our suspicions that topicalised and dislocated constituents occupy different sentence positions comes from Greenberg (1984). He notes that in colloquial speech the interjection man'' can occur after dislocated constituents, but not after topicalised constituents: cf.
(21) (a)      ''Bill'', man, I really hate him (dislocated NP)
(21) (b)    ^?''Bill , man, I really hate (topicalised NP)

An interruption; something interjected