Large book (4)
'large book' is the definition.
(a tome is a large or heavy book)
This is all the clue.
(Other definitions for tome that I've seen before include "Large heavy book" , "Large and scholarly book" , "dictionary?" , "Large scholarly volume" , "Large, weighty book" .)
'large book' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for folio that I've seen before include "Four pages" , "Two-leaf sheet" , "Book made of folded sheets" , "outsize book" , "large book" .)
(Other definitions for volume that I've seen before include "Amount of three-dimensional space occupied" , "A book or sound dimension" , "Book; degree of loudness" , "Control of radio" , "Tome" .)