7 down
Figure
first
possessed
by
a
kind
of
spark
(9)
Figure first possessed by a kind of spark (9)
hints
0
checks
0
hints
The definition is at the beginning of the clue.
How the clue works
The definition is Figure, meaning a numerical datum. Take STATIC (a kind of spark, as in static electricity) and slot 1ST (first) inside it — STAT then IST then IC — and you've got your answer.