Answer:

staking

Answer	Crossword Clue
STAKING	Boundary markers
STAKING	Supporting, as tomato plants
STAKING	Placing as a bet

STAKING	Betting.
STAKING	Risking.
STAKING	Gambling

Crossword

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