1. A small group of indispensable persons or things
   - core, nucleus

Derived forms: core groups

Type of: set

• white marlin
• white matsutake
• white matter
• white meat
• white melilot
• white metal
• white milkweed
• white mountain ash
• white mulberry
• white mullein
• white mullet
• white mustard
• White Nile
• white noise
• white oak
• white onion sauce
• white pages
• white paper
• white pelican
• White people
• white pepper
• white perch
• White person
• white pine
• white pine blister rust