Involving three parts (6)
I believe the answer is:
triple
(Other definitions for triple that I've seen before include "In three parts" , "Consisting of three" , "Threefold, treble" , "make much longer" , "make score sixty?" .)
I believe the answer is:
triple
(Other definitions for triple that I've seen before include "In three parts" , "Consisting of three" , "Threefold, treble" , "make much longer" , "make score sixty?" .)