Definitions

1. noun

A hair-like structure found on a plant or fungus, especially one that contains resin or other secretions.

“The trichomes on the surface of the leaves helped to repel pests and conserve water.”

2. noun

A hair-like structure found on the skin of certain animals, especially one that aids in sensing the environment.

“The trichomes on the snout of the insect helped it to detect chemical signals from other animals.”