| any highly sensitive hair of an animal, as the whiskers of a cat or hairs on a hedgehog's snout. |
| tactile hair n. Sensory hair, such as that of an insect, that responds to pressure or touch. |
| tactile hair
A hair or hairlike structure that is highly sensitive to pressure or touch. Tactile hairs help organisms sense their environment. They cover the bodies of most insects and are found in many mammals, especially as whiskers. |