You searched for: “regimental
regimental (adjective), more regimental, most regimental
Referring to or pertaining to a military formation varying in size from a battalion to a number of battalions: "The regimental commander left his regimental headquarters to check on his military unit."
This entry is located in the following units: -al; -ial, -eal (page 19) regi-, reg-, rec-, rex- (page 9)