classis /klasˈis/

1. A group
2. (in certain churches) a presbytery
3. A bay of a library (obsolete)

• siphoned
• siphonet
• siphonets
• siphonic
• siphoning
• siphonogam
• siphonogamies
• siphonogams
• siphonogamy
• siphonophore
• siphonophores
• siphonostele
• siphonosteles
• siphons
• siphuncle
• siphuncles
• siping
• Siporex
• SIPP
• sipped
• sipper
• sippers
• sippet
• sippets
• sipping