earbug

== English == === Etymology === From ear +‎ bug. === Noun === earbug (plural earbugs) Any of various agricultural pests of genus Leptocorisa that attack grain crops. A small, close-range receiver that fits in a person's ear, allowing them to hear transmissions, usually by an observer or advisor. (science fiction) Any of various fictional devices that a person can listen to when it is installed in their ear.