sparking plug

NOUN
13 LETTERS · 2 SYLLABLES · STARTS WITH S

sparking plug is a valid 13-letter word worth 22 points in Scrabble and 29 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
S1P3A1R1K5I1N1G2P3L1U1G2
1 + 3 + 1 + 1 + 5 + 1 + 1 + 2 + 0 + 3 + 1 + 1 + 2 =22 PTS
DOUBLE WORD → 44TRIPLE WORD → 66
MEANING

What does sparking plug mean?

NOUN · 1 SENSE
1

Electrical device that fits into the cylinder head of an internal-combustion engine and ignites the gas by means of an electric spark.