pro ‧ ces ‧ sion ‧ al /prəˈseʃ ə nəl/ BrE AmE adjective [only before noun]
[ Word Family: noun : ↑ process , processing, ↑ procession , ↑ processor ; adjective : ↑ processed , ↑ processional ; verb : process]
relating to or used in a procession
pro ‧ ces ‧ sion ‧ al /prəˈseʃ ə nəl/ BrE AmE adjective [only before noun]
[ Word Family: noun : ↑ process , processing, ↑ procession , ↑ processor ; adjective : ↑ processed , ↑ processional ; verb : process]
relating to or used in a procession
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012