Meaning of demy

de•my

Pronunciation: (di-mī'), [key]
— pl. -mies.
  1. a foundation scholar at Magdalen College, Oxford: so called because such a scholar originally received half the allowance of a fellow.
  2. (in England) a size of printing paper, 17 × 22 in. (44 × 57 cm).
  3. a size of drawing or writing paper, 15 (39 cm) or 15 × 20 in. (38 × 51 cm) in England, 16 × 21 in. (41 × 53 cm) in the U.S.
  4. Also calleda size of book, about 5 × 8 in. (14 × 48 cm), untrimmed. Abbr.: demy 8vo
  5. Also calleda size of book, about 8 × 11 in. (22 × 28 cm), untrimmed. Abbr.: demy 4to
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.