sphenogram

[ sfee-nuh-gram ]
/ ˈsfi nəˌgræm /

noun

a cuneiform character.

Origin of sphenogram

First recorded in 1860–65; spheno- + -gram1

British Dictionary definitions for sphenogram

sphenogram
/ (ˈsfiːnəˌɡræm) /

noun

a character used in cuneiform script