meaning of thumb

1. thumb The slider or "bubble" on a window system scrollbar. So called because moving it allows you to browse through the contents of a text window in a way analogous to thumbing through a book. [Jargon File]
2. a convex molding having a cross section in the form of a quarter of a circle or of an ellipse

Related Words

thumb | thumb index | thumbed | thumbhole | thumbnail | thumbnut | thumbprint | thumbscrew | thumbstall | thumbtack |

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