pocketful of , or pocket full of

[bluez]

What is the correct use of pocketful of or pocket full of ? Like in Agatha Christies a pocket full of rye in most copies the title is written as "a pocket full of rye". However some also write pocketful of rye What is the difference and what is the most correct use, "pocketful of" or "pocket full of" ?

 

[konungursvia]

The meanings are slightly different. A pocket full of rye is literally a pocket, with rye in it. A pocketful is an equal amount, which may or may not be in anyone's pocket right now.