Source : Webster's Revised Unabridged Dictionary (1913)

Sclerotome \Scler"o*tome\ (skl[e^]r"[-o]*t[=o]m or
   skl[=e]r"[-o]*t[=o]m), n. [Gr. sklhro`s hard + te`mnein to
   cut.] (Zo["o]l.)
   One of the bony, cartilaginous, or membranous partitions
   which separate the myotomes. -- {Scler`o*tom"ic}, a.