demy
Concise Oxford English Dictionary © 2008 Oxford University Press:
demy /dɪˈmʌɪ/
▶noun
- 1 a paper size, 564 × 444 mm.
- 2 (also demy octavo) a book size, 216 × 138 mm.
- 3 (also demy quarto) a book size, 276 × 219 mm.
'demy' also found in these Oxford entries:

