What is Hedge?

Hedge definition and meaning on Dictionary terms:
a row of bushes or small trees planted close together, especially when forming a fence or boundary; hedgerow: small fields separated by hedges.
any barrier or boundary: a hedge of stones.

an act or means of preventing complete loss of a bet, an argument, an investment, or the like, with a partially counterbalancing or qualifying one.

verb (used with object), hedged, hedg