1. Seven people considered as a unit
   - septet, septette

Type of: assemblage, gathering

• blackleg
• blacklist
• blackly
• blackmail
• blackmailer
• blackmouth bass
• blackness
• blackout
• blackpoll
• Blackpool
• Blacksburg
• blackseed
• Blackshirt
• blacksmith
• blacksnake
• blackstrap
• blacktail
• blacktail deer
• blacktail jackrabbit
• blacktail prairie dog
• blackthorn
• blacktip shark
• blacktop
• blacktopping
• Blackwall hitch