Answer:

orad

Answer	Crossword Clue
ORAD	Dental diagnostic
ORAD	Toward the mouth
ORAD	Toward the Mouth

ORAD	Mouthward
ORAD	Toward the mouth.
ORAD	Toward the mouth: Zool.
ORAD	Towards the mouth
ORAD	Direction of a buss
ORAD	Mouth-bound

Crossword

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