Answer: oldlace

AnswerCrossword Clue
OLDLACE

Arsenic partner in film

OLDLACE

"Arsenic and ..."

OLDLACE

Half of a murderous pair in a Frank Capra movie title

OLDLACE
Bridal veil trimming.
OLDLACE
Companion of arsenic
OLDLACELavender's partner
OLDLACECompanion for arsenic
OLDLACEHalf of a murderous Broadway title
OLDLACEArsenic accompaniment