1. (

• boundary ,
• bound ,
• bounds

) the line or plane indicating the limit or extent of something ;

2. (

• boundary ,
• edge ,
• bound

) a line determining the limits of an area ;

3. (

• limit ,
• bound ,
• boundary

) the greatest possible degree of something; "what he did was beyond the bounds of acceptable behavior"; "to the limit of his ability" ;