What is Constitutional ?
Constitutional is (adj) 1. according to a country’s constitution Unilateral action by the Minister of Defence is not constitutional. 2. according to a society’s constitution The reelection of the chairman is not constitutional.(noun) a short walk which you think is good for your health After a big lunch I went for a constitutional. He always takes his early morning constitutional in the park.
source: Easier English, Student Dictionary Upper Intermediate Level