1. Of or relating to a department
   "departmental policy"

See also: department, departmentally

• western kingbird
• western ladies' tresses
• western larch
• western lowland gorilla
• Western Malayo-Polynesian
• western meadowlark
• Western mountain ash
• western mugwort
• western narrow-mouthed toad
• western omelet
• Western paper birch
• Western pasqueflower
• western pipistrel
• western poison oak
• western poppy
• western prince's pine
• western ragweed
• Western rattlesnake
• western red cedar
• western red-backed salamander
• western redbud
• Western ribbon snake
• Western Roman Empire
• Western saddle
• Western Sahara