Is there a way to add words to the end of a definition? If my word is declared like this:

On 2012-Mar-22 00:09 , Programmingkid wrote:
> Is there a way to add words to the end of a definition? If my word is declared like this:
>
> : myword
> 	firstWord
> 	secondWord
> ;
>
> is there a way to append a word to the end of this word so it looks like this:
>
> : myword
> 	firstWord
> 	secondWord	
> 	thirdWord
> ;

The usual way I'd do something like that if I had to patch a live system 
would be as follows:

ok : anotherWord secondWord thirdWord ;
ok patch anotherWord secondWord myword
ok