1. a small handheld computer that fits in the palm of your hand, typically used for organizing personal information and running basic applications
Usage: common in the 1990s and early 2000s; largely superseded by smartphones; informal

Examples

• Before smartphones became popular, many professionals carried a palmtop to keep track of their schedules.
• She used her palmtop to store contact information and take notes during meetings.
• The palmtop was revolutionary for its time, offering computing power in a device small enough to hold in one hand.
• My grandfather still has an old palmtop from the 1990s in a drawer.
• Palmtops were eventually replaced by more advanced mobile devices with larger screens and better software.