serjeant-at-armsnoun (pl serjeants-at-arms)

• closed season
• closed shop
• close-fisted
• close harmony
• close-hauled
• close in
• close-knit
• close/near to home
• close on
• close one's doors
• close out
• close quarters
• close ranks
• close season
• close shave
• close/shut one's eyes to
• closet
• close to home
• close to/near the mark
• close up
• close-up
• closing time
• clostridium
• closure
• clot