Answer:

petter

Answer	Crossword Clue
PETTER	Caresser.
PETTER	Attentive dog owner
PETTER	Dog owner, often

PETTER	Children's zoo patron
PETTER	Children's zoo participant
PETTER	Pup praiser

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.