pda

1. personal digital assistant.
2. Informal. public display of affection: Many people are uncomfortable with kissing in public or any other PDA.

abbreviation for

1. personal digital assistant

by 1992, initialism for personal digital assistant.

1. Short for personal digital assistant. A lightweight, handheld computer, typically employing a touch-sensitive screen rather than a keyboard, generally used for storing information such as addresses or schedules. Many PDAs include handwriting recognition software, some support voice recognition, and some have an internal cell phone and modem to link with other computers or networks.