Definition of "three-mile" [three•-mile]

• Of or pertaining to three miles. (adjective)

Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)

• "The three-mile bridge—situated 13 miles north of the city—connects Rockland and Westchester counties, spanning an especially wide section of the Hudson River."
• "I drove down the highway to the camp with a three-mile smile plastered on my face."
• "Along the first three-mile stretch of trail, one of the things we spoke of was how amazing it would be to stand on a ledge below an overhanging waterfall and watch the water cascade in front of you."