sextodecimo Meaning, Definition & Usage

Sex`to*dec"i*mo adjective
Etymology
L. sextus-decimus the sixteenth; sextus the sixth (fr. sex six) + decimus the tenth, from decem ten. See -mo.
Definitions
  1. Having sixteen leaves to a sheet; of, or equal to, the size of one fold of a sheet of printing paper when folded so as to make sixteen leaves, or thirty-two pages; as, a sextodecimo volume.
Sex`to*dec"imo noun
Wordforms
plural Sextodecimos
Definitions
  1. A book composed of sheets each of which is folded into sixteen leaves; hence, indicating, more or less definitely, a size of a book; -- usually written 16mo, or 16°.

Webster 1913