octodecimo /ok-tō-desˈi-mō/

1. Having eighteen leaves to the sheet
2. Contracted 18mo, often read eighteenmo

A book with sheets so folded

• raid
• RAID
• raided
• raider
• raiders
• raiding
• raids
• raid the market
• raik
• raiked
• raiking
• raiks
• rail
• railage
• railages
• railbed
• railbeds
• rail-borne
• railbus
• railbuses
• railbusses
• railcar
• railcard
• railcards
• railcars