1) Medical equipment 
An esthesiometer (British spelling aesthesiometer) is a device for measuring the tactile sensitivity of the skin (or mouth, or eye, etc.). The measure of the degree of tactile sensitivity is called aesthesiometry. There are different types of aesthesiometers depending on their particular function. The simplest is a manual tool with adjustable poin...
• (n.) An instrument to measure the degree of sensation, by determining at how short a distance two impressions upon the skin can be distinguished, and thus to determine whether the condition of tactile sensibility is normal or altered. • (n.) Same as Aesthesiometer.
(es-the″ze-om´ә-tәr) an instrument for measuring tactile sensibility; tactometer.
Es·the`si·om'e·ter noun Same as Æsthesiometer . 
Type: Term Pronunciation: es-thē′zē-om′ĕ-tĕr Definitions: 1. An instrument for determining the state of tactile and other forms of sensibility. Synonyms: tactometer
an instrument for measuring the degree of tactile sensibility.