Answer: grandparent

AnswerCrossword Clue
GRANDPARENTFrequent spoiler
GRANDPARENTToddler spoiler, perhaps
GRANDPARENTSeptember honoree
GRANDPARENTSpoiler of a child's child
grandparentA parent of one's father or mother; a grandmother or grandfather
grandparenta parent of one's father or mother