platter /platˈər/

1. A large flat plate or dish
2. A gramophone record (old inf, esp US)
3. One of the circular disks on a hard disk drive (computing)

• ground-ivy
• groundless
• groundlessly
• groundlessness
• groundlessnesses
• groundling
• groundlings
• ground loop
• ground loops
• ground mail
• groundman
• groundmass
• groundmasses
• groundmen
• ground moraine
• groundnut
• groundnuts
• ground oak
• ground oaks
• ground-officer
• ground-officers
• ground-pigeon
• ground pine
• ground pines
• ground plan