thim·ble 
(thĭmbəl)
(thĭmbəl)n.
1. A hard, usually pitted cup worn for protection on the finger that pushes the needle in sewing.
2. Any of various tubular sockets or sleeves in machinery.
3. Nautical
a. A metal ring fitted in an eye of a sail to prevent chafing.
b. A metal ring around which a rope splice is passed.
[Middle English thimbil, alteration of Old English thȳmel, leather finger covering, from thūma, thumb; see teuə- in the Appendix of Indo-European roots.]
thimbletop: sewing thimble
bottom: rope thimble
thimble- lineal
- lineally
- lineament
- linear
- Linear A
- linear accelerator
- linear algebra
- Linear B
- linear combination
- linear dependence
- linear equation
- linear independence
- linearity
- linearization
- linearize
- linearly
- linear measure
- linear momentum
- linear perspective
- linear transformation
- lineation
- linebacker
- linebacking
- line breeding
- linecaster