Thumb

Definitions

1. The eastern part of the Lower Peninsula of Michigan, United States (the "Mitten").
   informal
2. The shortest and thickest digit of the hand that for humans has the most mobility and can be made to oppose (moved to touch) all of the other fingers.
3. The part of a slider that may be moved linearly along the slider.
4. A thumbnail picture.
   Internet, colloquial
5. A top hatch plate for covering an excavator bucket, used to keep material in the digger bucket after scooping it up, and not letting it spill out.

Equivalents

Examples

“a scroll-bar thumb”

“Turnip Rock is located in a portion of eastern Michigan dubbed the Thumb, where 140 miles of coastline and waterfront towns offer⟳ a variety of outdoor activities, including biking, walking and kayaking.”

CEFR level