bug
An insect of the order Hemiptera (the “true bugs”).
Other meanings
A motile arthropod, especially a small and terrestrial one.
A problem that needs fixing.
“The software bug led the computer to calculate 2 plus 2 as 3.”
Example sentences
Word history
From Middle English "bugge" (scarecrow, hobgoblin).
Where this comes from
This definition is adapted from “bug” on Wiktionary, by its contributors; example sentences are from Tatoeba, credited to their authors above, published under CC BY-SA 4.0. This page is published under the same licence.