1. 
   Sextodecimo
   (16mo) Small format book made from sheets folded four times to give 16 leaves (32 pages)
   Found op http://www.encyclo.co.uk/local/20208
   
   
2. 
   Sextodecimo
   Sex`to·dec'i·mo adjective [ Latin sextus- decimus the sixteenth; sextus the sixth (fr. sex six) + decimus the tenth, from decem ten. See - mo .] Having sixteen leaves to a sheet; of, or equal to, the size of ...
   Found op http://www.encyclo.co.uk/webster/S/78
   
   
3. 
   Sextodecimo
   Sex`to·dec'imo noun ; plural Sextodecimos 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°.
   Found op http://www.encyclo.co.uk/webster/S/78
   
   
4. 
   Sextodecimo
   • (a.) 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. • (n.) A book composed of sheets each of which is folded into sixteen leaves; hence, indicati...
   Found op http://thinkexist.com/dictionary/meaning/sextodecimo/
   
   

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