1. A synthetic type of penicillin antibiotic (trade name Pipracil) used for moderate to severe infections
   - piperacillin

Type of: penicillin

• drop open
• drop press
• drop scone
• drop shot
• drop the ball
• drop zone
• drop-dead
• drop-down menu
• drop-leaf
• drop-leaf table
• drop-off charge
• dropforge
• dropkick
• dropkicker
• droplet
• dropline
• dropout
• dropped egg
• dropper
• dropping
• dropping zone
• droppings
• dropseed
• dropsical
• dropsy