I. |rejə|ment ə l adjective
1. : belonging to, used by, or concerning a regiment
regimental officers
regimental supplies
2. : serving to regiment : tending to regimentation
II. noun
( -s )
1.
a. : the uniform worn by the officers and soldiers of a regiment : military dress — usually used in plural
b. regimentals plural : special clothing required for a particular activity
2. : a grayish purplish blue that is redder and duller than Wedgwood blue (sense 2) or average delft and redder and lighter than average navy blue — called also Persian blue