1. An e-mail message containing live data intended to do nefarious things to the recipient’s computer or terminal. It is possible, for example, to send letterbombs that will lock up some specific kinds of terminals when they are viewed, so thoroughly that the user must turn the terminal off to unwedge it. Under Unix, a letterbomb can also try to get part of its contents interpreted as a shell command. The results of this could range from silly to tragic.
See also Trojan horse; compare nastygram, talk bomb.
2. Loosely, a mailbomb.
noun 1. an envelope containing an explosive device designed to detonate when the envelope is opened by the recipient. noun 1. a thin explosive device inside an envelope, detonated when the envelope is opened
[let-er-boks] /ˈlɛt ərˌbɒks/ noun 1. Also, letter box. Chiefly British. a public or private mailbox. 2. a technique for displaying a wide-screen film on a regular-format television screen by reducing its size but retaining the aspect ratio, with black bands filling the screen above and below the picture. Compare . verb To show a wide-screen […]
/ˈlɛtəˌbɒksɪŋ/ noun 1. a method of formatting film that enables all of a wide-screen film to be transmitted on a television screen, resulting in a blank strip of screen above and below the picture 2. a type of treasure hunt in which a box, known as a letterbox, is hidden in a remote rural location […]
[let-er-kahrd] /ˈlɛt ərˌkɑrd/ noun, British. 1. a large postal card, with gummed edges, that can be folded lengthwise and sealed with the message inside.