Related Clues:

• Some kind of nut
• Squirrel's morsel
• One struck Chicken Little
• Oak's source
• Potential oak
• Oak-tree-to-be
• Squirrel food
• Nut with bitter tannin
• Oak seed
• Squash
• NUT IN A HAT
• It has a cupule at its base
• Seed with real potential
• Item in a cheek pouch, sometimes
• Squirreled-away item?