Black ‧ Ber ‧ ry /ˈblækberi/ BrE AmE noun [countable] trademark
a piece of ↑ wireless (=using electronic signals not wires) electronic equipment that you can hold in your hand. You can use it as a ↑ PDA (=small computer that you use to store information such as telephone numbers, addresses, and appointments) , as a ↑ mobile phone , to send and receive emails and TEXTMESSAGE s , and to look at the Internet.