Definition of: sunder

(sun′dər) v.t.
To break apart; disunite; sever.
—v.i. To be parted or severed. See synonyms under BREAK, CUT, REND, SEPARATE.
—noun Division into parts; separation.
—in sunder Apart; separate from other parts. Compare ASUNDER. [OE syndrian, sundrian]
—sun′der·ance noun