1. A thin explosive device inside an envelope or package and detonated when opened
   - letter bomb, parcel bomb

Derived forms: package bombs

Type of: bomb

• keratinize
• keratitis
• keratoacanthoma
• keratocele
• keratoconjunctivitis
• keratoconus
• keratoderma
• keratoderma blennorrhagica
• keratodermia
• keratohyalin
• keratoiritis
• keratomalacia
• keratomycosis
• keratonosis
• keratonosus
• keratoplasty
• keratoscleritis
• keratoscope
• keratoscopy
• keratosis
• keratosis blennorrhagica
• keratosis follicularis
• keratosis nigricans
• keratosis pilaris
• keratotomy