1. Relating to or pertaining to the sense of touch: An infant's tactile development is believed to take place quickly at his or her early age level.

Because of the callouses on Clark's hands, they have lost their normal tactile sensitivity.

Tactile indications of disease are signs that are perceptible by physical contact; such as, the roughness of the skin.

2. Descriptive of a part of the physical structure of a person or animal which is used for feeling: One of the most used tactile sections of the body are the fingers.
3. Etymology: from Latin tactilis which came from tangere, "to touch". © ALL rights are reserved.

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The loss or the lack of the ability to understand the form and nature of objects that are touched; astereognosis: Since Judy had tactile amnesia she was unable to determine the shape of physical items, gadgets, or articles when feeling them with her fingers.

The absence or lack of the sense of touch in the fingers, possibly resulting from injury or disease: "Tactile anesthesia can be a result of congenital kor psychosomatic and may cause the patient to incur severe burns, serious cuts, contusions (bruises), or abrasions."

A hair, or hairs, that is sensitive to the sensation of touch: "The patient was able to easily feel it when someone simply touched one of the hairs on his head."

An abnormal increase or excessive sensitivity when a person is touching or when he or she is touched: "Because of Jim's tactile hyperesthesia, whenever he touches anything it is felt much stronger than normal and also when his skin is touched."

A reduced perception of touch: Mindy was experiencing tactile hypoesthesia or numbness in her feet after the operation on her cracked vertebrae.