▪ I. vo, n. nonce-wd.
[f. the last syllable of octavo.]
A size of book.
| 1847 Chambers's Jrnl. 6 Feb. 87/2 Duodecimo, postoctavo, eighteenmo, sixteenmo, and a hundred other vos and mos, bewildered the aged members of the profession. |
▪ II. vo
southern ME. var. fo v., foe.