Answer: batteryterminal

AnswerCrossword Clue
BATTERYTERMINALCathode, e.g.
BATTERYTERMINALPost under a hood
BATTERYTERMINALIt may be + or -
BATTERYTERMINALWhere to attach a jumper cable
BATTERYTERMINALPlus or minus thing
BATTERYTERMINALAnode or cathode