twelvemo

[ twelv-moh ]
/ ˈtwɛlv moʊ /

noun, plural twelve·mos, adjective

Origin of twelvemo

First recorded in 1810–20; twelve + -mo

British Dictionary definitions for twelvemo

twelvemo
/ (ˈtwɛlvməʊ) /

noun plural -mos

bookbinding another word for duodecimo