feeler

Zoology an organ in certain animals, such as an antenna or tentacle, that is sensitive to touch

Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Feeler

(or feeler gauge), a gauge that is used to inspect gaps between surfaces. A feeler is a thin strip with a specified thickness in the range from 0.02 to 1 mm. Feelers are usually manufac-

Figure 1. Feelers in a case

tured as sets of strips of various thicknesses housed in a single case (Figure 1). The strips may be used individually or in various combinations.