1. Shaped like an acorn

See also: formed

• passionflower vine
• passionless
• Passiontide
• passivate
• passive
• passive air defense
• passive immunity
• passive matrix display
• passive resistance
• passive resister
• passive source
• passive transport
• passive trust
• passive voice
• passively
• passiveness
• passivism
• passivist
• passivity
• passkey
• Passover
• Passover supper
• passport
• password
• passé